Showing posts with label resin. Show all posts
Showing posts with label resin. Show all posts

Draken DLP SLA 3d printer is new challenger in affordable stereolithography market

Draken by 3DFacture is new DLP based LSA 3d printer that wants to enter affordable stereolithography market segment.

Key features from KS page:

  • Traditionally, 3D printers fall into two catergories: high resolution printers costing thousands of dollars, or low resolution ones costing under a thousand. The Draken prints at 37 microns on X-Y axis and can print down to 10 microns on the Z axis, which results in printing features as fine as a strand of hair.
  • Draken prints  up to 8.66" tall with a 3.86" x 7.09" build base at 90 micron XYZ resolution, the largest and tallest among all personal SLA printers.
  • Because 3D printers can take several hours or longer to complete taller builds, it's important to reduce the noise pollution as much as possile. Draken makes almost no noise.
  • Draken is one of the fastest personal SLA printers in the market today.  For other SLA printers to print a 6.5 inch Statue of Liberty with 100 micron Z resolution, it takes anywhere from 6 to 8 hours. With Draken, it only takes 3.6 hours.
  • The inner printer frame is made of an integrated piece of high-quality steel, the outer shell is a single piece of aluminum alloy sheet, which assures the stability and precision of the printer.
  • Draken is so flexible that you can easily take out the commercial-grade high definition projector and use it to project HD movies.
  • The patent-pending passive peeling technique in the build platform reduces the adhesion  force at each layer separation and increases the printing speed dramatically.
  • For most SLA printers on market, the resin vat needs to be replaced every few months, because the silicone coating on the vat might get cloudy after extensive usage. In Draken, we bonded a thin Teflon layer on top of the silicon coating, which greatly extended the lifetime of the vat. You won't need to worry about frequent replacement of the vat anymore.
  • Draken supports all third-party resins. We have tested several stable resins for Draken with various properties. MakerJuice, MadeSolid, FTD, and even Formlabs resin work perfectly with Draken. Furthermore, Draken's materials development team has created our own resin, priced lower than all the others on market.


 Draken technical specifications and comparison to other 3d printrs on the market:









3DFacture company homepage: http://www.3dfacture.com/

Draken is on Kickstarter now, where you can still get it at the moment for $1099 (without the projector):

https://www.kickstarter.com/projects/1181608615/draken-affordable-fast-high-res-dlp-sla-3d-printer

Here is video presentation of this printer:



Reify Solus DLP 3d printer

There are many new DLP based SLA 3d printers and Reify3D Solus is a new contender in the arena:

Technical specifications and features based on Solus Indiegogo page:
  • build area: 14.5 x 11 cm
  • made from thick, laser-cut anodized aluminum and stainless steel
  • z axis motor has an integrated lead screw with a anti-backlash nut for layer consistency
  • Solus will work with most non-LED DLP projectors and the addition of a close-up filter and adapter, or in the case of the Acer H6510BD, straight out of the box. And since the projector is not enclosed inside of the printer, it can be used to watch movies when you're not printing.
  • As with most DLP printers, the XY build area is dependent on the XY resolution you wish to print at. The maximum XY build area is 14.5 x 11 cm and the maximum height is 20cm. The extendable legs allow for a wide range of resolutions. For the projectors the company has tested the resolutions and build areas are as follows:
SVGA (800x600)
  • 70-180 micron XY resolution
  • 5.6x4.2x20cm - 14.5x11x20cm build area
XGA (1024x768)
  • 50-140 micron XY resolution
  • 5.1x3.8x20cm - 14.5x11x20cm build area
HD (1920x1080)
  • 25-76 micron XY resolution*
  • 4.8x2.7x20cm- 14.5x8.2x20cm build area
  • *25 micron XY resolution is not possible with all HD projectors.
  • Solus has been tested with resins from MakerJuice, Spot A Materials and propriatery formulations. The resin tank is made of acrylic and the peeling material is resistant to almost any chemical, so all resins that cure around 400nm should work. There are already a great variety of material choices ranging from ones as strong as ABS to flexible, castable and even ceramic filled
  • Price: 1199 USD range on Indiegogo



Objects 3d printed on Reify Solus DLP SLA 3d printer







































Here is promo video of Reify Solus:



Solus is on Indiegogo:

https://www.indiegogo.com/projects/solus-a-high-resolution-dlp-3d-printer



Elemental pressure controlled SLA 3D printer by Hardcotton from Australia

Elemental is a new type of SLA machine made by Hardcotton form Australia. It uses pressure to move resin on z axis.

Elemental technical specifications:
  • Very large build area for SLA - up to 200mm x 200mm x 200mm (7.87in x 7.87in x 7.87in)
  • Z control accurate to 1 micron
  • 24-bit XY control resolution (variable through software)
  • Variable output 405nm laser
  • Pressure control of layer height
  • Stand-alone SD-card printing
  • Bluetooth functionality
  • Price:  at AUD$1100 (US$950 / EUR760) range based on KS prices








Company homepage: http://www.hardcotton.com.au/ (appears to be down)

Hardcotton facebook: https://www.facebook.com/hardcotton

They had an unsuccessful and canceled Kickstarter campaign:

https://www.kickstarter.com/projects/2014624256/elemental-the-worlds-first-pressure-controlled-3d

Here is the video presentation of the pressure control Elemental stereolithography:


DIY 3d printed resin lens made on Form 1+


3d printing optical lenses is usually in domain of high tech companies, but Craig Broady developed and tested a method that enables you to print functional lenses on Form 1 + with clear resin. 

The process is well documented in a form of a guide on Formlabs forums and it involves a post-processing by polishing the surface with sand paper and scratch removal fluid.
The lens is 1.75mm at its thinnest and 4.32mm at its thickest, printed with a 50 micron layer thickness.


Working lens printed as a monocle on Formlabs 1+ with clear resin

3d lens during design phase, you can see supports and holding structure

Lens after printing with partial removal of support material

Lens mounted on a hand power drill to smoothen and polish the surface









More detailed guide can be found here together with lens files:

http://formlabs.com/en/company/blog/2014/09/24/lenses-3D-printed-formlabs/

Hopefully we will see more functional objects developed like small binoculars, telescopes and others ... Great job Craig!

DropLit sub $600 DLP 3d printer kit made by SeeMeCNC




Description with technical specifications from the DropLit page:
Meet DropLit™. Our next generation of 3D printers for makers/hackers/tinkerers. With our world famous laser-cut frames and stainless steel hardware this kit has all the quality people have come to know and trust with our other SeeMeCNC™ desktop 3D printers. Our aim in offering the DropLit™ is to provide a solid foundation for the rapid advancement of the next technological leap in desktop 3D printing. We have one of the most amazing and active communities out there when it comes to delta based 3D printers and look forward to contributing the knowledge that we've all gained and applying it to desktop resin printing.
Droplit™ is an open-source desktop resin based 3D printer *kit* that includes the mechanical parts needed to build and run the z stage. It does not include the projector, you will need to purchase and likely modify a projector separately. We do not provide the projector or any specific models to use, however you can visit our Forum for topics involving which models people have used and what modifications they have done.

Specs (Subject to change):
  • Build Diameter: appx. 3"
  • Max Build Height: appx 6"
  • Layer Height: User defined (avg. .050mm - .1 mm)
  • Power Supply: ATX PC style PSU (included)
  • Electronics: Ardunio UNO + GRBLShiled
  • Firmware: GRBL
  • The Z axis stage is driven by an M5-.8 screw and uses our own design of an anti-backlash nut and spring assembly to hold less than 5 micron accuracy. The nut design can be downloaded and printed here or found on our GitHub page for the DropLit™
We have tested the DropLit™ with a projector with the following specs:
  • 1024x768 or better native resolution
  • 17,000:1 contrast ratio
  • 3,000 Lumens output
  • DLP only, LCD will not work
  • Uses Osram 190w P-VIP lamp (removal of the UV filter required)

DropLit homepage:

http://seemecnc.com/products/droplit-diy-kit


Formlabs Form 1+ is new flagship SLA 3d printer (update: now with test and review)





Fromlabs released their new Form 1+ upgraded printer. It still has the same print volume as the previous version but performance is significantly improved.

The upgraded Form 1+ features:
  • A higher-power second-generation laser system for faster print speeds
  • A redesigned galvanometer control system for more precise and accurate control
  • Re-engineered mechanical components for better wear and durability
  • A light-blocking injection-molded resin tank for better print consistency – allowing you to store your tanks outside the Form 1. The tank also comes with a stackable lid, helping you manage multiple resins more easily.
http://formlabs.com/products/form-1-plus/


Together with it there is a new Preform software in version 1.5

Here is video overview of what's new in Preform 1.5 (manual supports and new materials):




Preform update includes:
  • Form 1+ support (as well as backward compatibility!)
  • Updated EULA reflecting our new warranty information
  • Manual support editing capabilities
  • Black resin material settings
  • Improved print time estimation
  • Improved resin volume estimation
  • .form files now preserve viewing angle
  • handfuls of improvements to make PreForm faster, smarter, and more agile

Formlabs also has new black resin, because, ya know, black is a cool color. It will be priced at $149/liter. It is specially tuned Black to be ideal for models with delicate features and fine details. It may print up to 30% more slowly than other Formlabs resins at the 100 micron setting with the increased cure-time, but the results should be BLACK.





















Formlabs has also partnered with UK-based Express Group, a company that will help sell and service the Form 1+ printer in Europe. The printer will be priced at €2,799 in Europe or at $3,299 for USA market.

Update (24.10.2014.):

Here is review and test of Form 1+ by Tested and their 3D printing columnist Sean Charlesworth:



ResinRack simple and useful accessory for your Form 1

There are many accessories for filament printers, but what can you get for your SLA machine? Here is nice useful simple innovation: the resin rack.

From the product description:
Designed to be the ultimate accessory to the Formlabs FORM 1 3D Printer, ResinRack is a UV light protected enclosure that allows you to safely store and protect up to 3 FORM 1 liquid resin trays at once.
Made from durable acrylic glass, ResinRack allows you to easily swap resin colors without the need to empty and clean your resin tray between each color change, saving you time, effort, and more importantly: resin.
As 3D printers, we designed and built ResinRack to scratch our own itch. We couldn't be happier with the result, and we know you'll feel the same.

Product Dimensions:
-8.25” Width
-6.75” Height
-7.75” Depth




































Maybe the price is little to high but you can decide on your own if it is worth it.

You can get it on Etsy:

https://www.etsy.com/listing/188631186/resinrack-for-formlabs-form-1-3d-printer?ref=listing-0


Kudo3D Titan 1 high performance DLP SLA 3D printer



Kudo3D Titan 1 is a new high performance DLP SLA 3D printer in price range of Makerbot Replicator 2.

Kudo3D Titan 1 key features:
  • Stereolithography (SLA) printing technology: Bottom-up SLA configuration
  • Patent Pending PSP (Passive Self-Peeling) technology: 
  • Flexible resin container (VAT) design
  • Enhanced printing performance and quality
  • Simplified printer structure
  • Superior reliability: modularized with heavy duty high quality components
  • Adjustable DLP to optimize printing performance
  • Compatible to all SLA photoresins sensitive to 400nm light

Kudo3D developed and plans to patent passive self-peeling (PSP) technology:
Passive self-peeling (PSP) technology is a patent pending bottom up SLA technology created by Kudo3D to minimize the separation force between cured layers and the bottom of the resin container. PSP employs a flexible resin container consisting of 5 different materials to enable a self-peeling process that minimizes the separation force. Therefore, feature as tiny as a strand of hair or a big object as tall as 9.5 inches can be printed on the same machine. Equipped with PSP, the printer needs only one stepping motor. As a result, the printer is simpler, more reliable and easy to use. Since our PSP technology employed Teflon, our container is immune to the attack of more reactive resin that happens to most of our competitors. Users can use materials from any vendors by setting proper exposure time.
Technical specifications:
  • XY resolution: 37μm to 100μm
  • Z resolution: 1μm
  • Build Size:
  • 7.5″ x 4.25″ x 9.5″ / 19.2cm x 10.8cm x 24.3cm (WxDxH approx)
  • Maximum print speed:
  • > 2.7 inches / hr for xy:50μm and z:100μm resolution
  • > 1.3 inches / hr for xy:100μm and z:100μm resolution
  • > 1.9 inches / hr for xy:100μm and z:200μm resolution
  • Able to pause printing and replace resin with different color in the middle of a print
Hardware:
  • Machine Size:
  • 16.1″ x 13.7″ x 33.6″ / 41cm x 35cm x 85cm
  • Weight: 13.5 Kg / 30 pounds.
  • Flexible PSP resin container
  • High precision industrial grade linear stage module
  • HD 1920×1080 DLP projector
  • Mega 2560 and RAMPS 1.4 controlling circuit
  • Nema 17 Stepping motor
  • 12cm cooling fan
  • Aluminum extrusion frame with steel enhancement
  • Brushed aluminum case
  • fast leveling build table
Software:
  • Host: pronterface
  • Slicer: slic3r



http://www.kudo3d.com/


Print quality on pictures provided by the company looks very good:





























Comparison with other 3d printers:





















Stalactite 102 HD DLP foldable 3d printer from Spain




New high definition DLP 3d printes comes from Barcelona, Spain. It also features different resin types like wax resin suitable for lost casting.

Stalactite 102 specifications:
  • Minimum layer thickness down to 25 microns (hardware can support layers as thin as 10 microns).
  • High DPI (dot per inch) density on the X/Y plane (100 microns NORMAL mode, 50 microns FINE mode).
  • High quality precision components.
  • Mechanized aluminum and laser cut steel components.
  • Innovative decoupled dual peeling system (patent pending)
  • Proprietary software with fast slicing and automatic supports.
  • Wide choice of printing materials: currently up to 4 different resins with a variety of properties.
  • Build Area: 102mm x 76,8mm x 180mm
  • It will be priced at 2.895€ (plus VAT where applicable) when available for direct pruchase 

They have also developed a palette of resins with different properties and applications:
  • STANDARD: Entry level resin. Affordable and suitable for general 3d printing needs, from figurines to maquettes or quick prototypes.
  • PROTOTYPING: A hard and thought material, aimed at print objects that require improved physical properties. It has similar properties as ABS or Nylon plastic. Ideal for electronic housings, cogs, Iphone holders
  • ELASTIC: A resin with very peculiar properties: It's elastic and flexible. This opens up a world of options for your prototypes and props!
  • WAXY: It demonstrates similar properties to investment casting waxes. Once you print your model you will be able to use the lost wax investment process and cast your designs to bronze, silver, gold or any meltable metal. This resin is particularly well suited for jewelers and miniature figurines manufacturers.
They claim their DLP technology is superior to laser based resin 3d printers because:

  • Resolution: With DLP (Direct Light Processing) we can reach feature details of 50 microns, which is a six-fold improvement compared to Laser 3d printers that are limited by the geometry of the Laser beam (pointer diameter, varying shape, focus and raster speed).
  • Build Times: The Stalactite 102 builds each layer within a constant exposure time, making the size of the object within the X/Y build area independent of the build time. It doesn't matter how many objects you fit within the build area, print times will always remain the same, depending solely on the number of layers in the Z-axis. There's no rastering time, no head or pointer movement process, as is prevalent in the FDM, Inkjet and Laser 3D printing technologies.

Stalactite is currently on Indigogo, ypu can get it at much lower price:

https://www.indiegogo.com/projects/stalactite-3d-hd-printer--2#home

Stalactite 102 DLP printer, you can see the projector mounted behind 

Examples of objects printed on Stalactite HD 

Different resin types developed for Stalactite DLP 3d printer


Stalactite software

RotoMAAK bridging the gap between 3d printing and fast manufacturing





RotoMAAK is DIY rotational casting machine that can produce casted resin models fast. Molds can be made from 3d printed objects, so you can produce small series very fast.

From Kickstarter description:
The RotoMAAK

Rotational Casting, also known as Rotocasting or Hollow Casting, is a molding process for creating many kinds of items, mostly hollow in form and typically made of plastic. The RotoMAAK rotocaster was born out of the desire to have a process by which Makers could scale up production of parts using rotational casting technology when 3D printing a small production run becomes cost and time prohibitive.
HOW DOES IT WORK?
The RotoMAAK rotational caster consists of a hollow mold and a rotational device that spins the mold in a uniform motion. The hollow mold is filled with a charge or shot weight of air cure resin. It is then inserted into the RotoMAAK where it is slowly rotated (usually around two perpendicular axes) causing the liquid resin to uniformly disperse and stick to the walls of the mold where it slowly cures over time into the shape of the part. In order to maintain an even thickness throughout the part, the mold continues to rotate at all times during casting phase and curing phase. The continuous rotation of the mold also avoids sagging or and part deformation.
The rotocasting process was applied to plastics in the 1940's, but in its early years was rarely used due to a slow process and restriction to a small number of plastics. Over the past two decades, improvements in process control and developments with air cure resin and plastic powders have resulted in a significant increase in its usage for part production.
OUR INNOVATION:
The RotoMAAK rotational casting machine allows the hobbyist to experiment with different casting materials and mold creation for production scale-up of parts to meet customer needs. With the popularity of DIY 3D printing, you now have the ability to create a 3D object in a relatively short amount of time compared to the traditional prototyping or one off manufacturing processes. 3D Printing allows you to create one part faster than traditional processes, but not reproduce it as quickly as mass manufacturing technologies. With rotational casting, you have more options to reproduce many identical parts from a successful print. Additionally it is not limited to 3D printed molds (NO 3D Printer required!), you can create a mold from almost any part and in turn reproduce multiple replicas of that item.
ADVANTAGES
One of the major advantages of rotocasting a hollow part is the savings in materials and weight. If a part's function does not require it to be solid, why cast it solid and waste materials? Instead of using pounds of material to cast a solid piece, you can cast it hollow with ounces of resin, which in turn yields a big cost savings in time and material.
The RotoMAAK also controls the rotation of the mold to ensure a uniform wall thickness that rotating a mold by hand cannot achieve. Some air cure resins,especially the clear varieties, have a cure time of several hours instead of 6-10 minutes. Evenly rotating a mold for hours would prove to be impossible by hand, and a rotational machine like this will allow you to rotational cast clear bottles, glasses, etc. for amazing special effects.
MARKET
First we were looking at ways to increase the speed of reproducing 3D printed parts, either by using a mold that was 3D printed and cast directly from that, or by 3D printing your part and creating a silicon mold from that. However, after talking to many people at Maker Faires, other Makers and hobbyists in the community, and others with manufacturing experience and creative tendencies, we have identified even more niches and applications for this technology than we first envisioned. Many different people: doll makers, artists, model makers, action figure enthusiasts, can go from clay original to silicon mold to producing and selling limited edition reproductions. Candy makers can make custom and personalized hollow chocolate figures, even people making R2-D2 replicas with hollow parts that have been cost prohibitive to have machined. Custom bike builders can even rotational cast specialty/themed turn signal lenses.
The possibilities are endless! Rotational molding parts with the RotoMAAK can save you time and money, and is a bridge between one off part production and the cost of injection molding.

Rotational caster can be your printers best friend. I think we will se more of those machines in the future, and Rotomaak will be open sourced. Kudos for that! Sharing is caring!




They just had finished successful Kickstarter campaign with 211 backers that pledged $52,800 of $17,000 goal. Great work!

https://www.kickstarter.com/projects/rotomaak/rotomaak-desktop-rotational-casting-machine

RotoMaak homepage:

http://rotomaak.com/

First post about RotoMaak:

http://diy3dprinting.blogspot.com/2013/10/rotomaak-diy-spin-casting-machine.html


Example of figurines made by rotocasting on RotoMAAK with different resins



Hoyt Carbon Matrix bow DIY 3d printed sight mount and stabilizer




























Both sight mount and stabilizer were printed by Dan Beaven on his homemade DLP 3d printer:

http://diy3dprinting.blogspot.com/2014/04/aluminum-frame-diy-3d-dlp-printer-by.html

Here is the source, Dans blog with more details:

http://3dprintzothar.blogspot.ca/2014/03/3d-dlp-printer.html

For more 3d printed archery see:

http://diy3dprinting.blogspot.com/search/label/archery

Aluminum frame DIY 3D DLP Printer by Dan Beaven

Dan Beaven build his own DLP 3d printer. Here are the results:

Dans DLP resin printer


DLP projector and mirror


AR15 rifle rail printed on this machine with graphite powder added into resin


The printer is built out of 1″ T-slot aluminum and has a NEMA 17 motor that provides the Y-axis movement along two linear rods for the vat. The Z-axis stage uses a NEMA 23 motor and has a whopping 14″ of travel. Combined with a 104mm x 204mm build plate, this DLP can print some large size objects.
To cure the resin, he is using a 1080p DLP projector (Acer H6510BD DLP) with no modifications. To conserve space, it is mounted at a 90 degree angle, and uses a small mirror to reflect the image onto the build plate inside of the vat.
To pump the resin in and out of the vat, it is using an industrial peristaltic pump bought off the eBay, it needs to be flushed with isopropyl alcohol after each use!


Source, buildlog and much more details:

http://3dprintzothar.blogspot.ca/2014/03/3d-dlp-printer.html


For original design by Tristram Budel with very detailed construction guide see:

http://diy3dprinting.blogspot.com/2013/07/high-resolution-dlp-diy-3d-printer.html

Asiga Pico 3d printer with solid state UV LED light source




Asiga Pico is specialist 3d printer with size of a small kitchen countertop appliance. It is designed with jewelry, dental and medical industry in mind. It produces wax polymer casting for metal parts or uses medical grade biocompatible resin for things like hearing aids. It is priced at USD 6990. It comes with Asiga Composer software.

The Pico is the first 3D printer of its kind to use a solid state UV LED light source. The LED lifetime is up to 50,000 hours and is not classed as a consumable, unlike other systems. The result is consistent curing from layer to layer, day after day, year after year. UV light allows broader materials choices, such as water-clear and pure white materials.
The Pico now has an improved resolution of 39 micron pixel size with a build envelope of 40 x 30mm (X and Y), and a build height of 75mm (Z). With the ability to grow parts in 1 micron increments in Z, the Pico is ideal for high resolution applications such as dental, jewelry and hearing. When building at 50 micron layers, the Pico achieves a build speed of approximately 6mm p/hr.


https://www.asiga.com/products/printers/pico/

Pico PDF brochure:

https://www.asiga.com/media/main/files/Pico%20Brochure_us_en.pdf



















T.Black DLP 3D printer by Trimaker made in Argentina

South America is also developing more 3d printers. Here is T.Black DLP printer by Trimaker from Argentina.




 

























Specifications:
  • Build volume: 180 x 235 x 180 mm
  • Positioning precision: 250 microns
  • Print speed: 20mm ~25mm / hour depending on the dye and the material.
  • Materials: rubber, rigid plastics and low viscosity plastic
  • Weight: 18kg
  • price: 38,720 Pesos ($4,936)

From company page:

PRINTING TECHNOLOGY
The printer is T.Black based stereolithography technology - the selective polymerization of the liquid resin with light. Unlike other inexpensive printers like MakerBot and RepRap, the Trimaker printer does not use a power head for depositing material during the printing process. Instead of using a head, the T.Black constructed by drawing the print object layer by layer with an optical projection - each layer of the object is actually a photo of each cross section. For each layer, the Trimaker projecting a light pattern on liquid resin solidifies and thus the parts constituting the object. The remaining resin can then be used as input for the next printing.
Advantage
More reliable technology.  T.Black technology is much more reliable because the control of complex mechanical movements is the part that usually fails. · High Resolution. Whether using light to build the object layer by layer allows a degree of much finer and more precise control. The resolution of your printer is more than 10 times higher than other inexpensive printers based on the technologies FDM (fused deposition modeling). The print resolution is one of the most important features that makes the difference between something with the quality of the prototype and the quality of the finished product and this is the main advantage of stereolithography technology. · Control of Color. use of liquid chemicals allows very flexible control of color printing. The user can change color very accurately by adding the proportion of dye which gives exactly the desired color. · Control of Multiple Properties. stereolithography process works with a variety of inputs. The designer can choose from a variety of materials with different degrees of hardness, density, transparency and other properties.

MADE IN ARGENTINA
The fact that both the hardware, software and materials develop in the country, are a great advantage for our clients when thinking about the after sales service, spare parts, supplies and personalized attention. Delivery times, technical support and input supply is greatly reduced on options imported printers today are available in our market. Finally, being a company Argentina, we will make all our releases, product testing, lectures and trainings, first in this market.
I'm not sure what technology tehy are describing in "control of color" part ... probably just a single tone of color in the resin ..


http://www.trimaker.com/t%C2%B7black/#.Uy2tXvl5N8E

mUVe open source low cost stereolithography 3d printer







mUVe epecifications:
  • Designed by Dean Piper 
  • The mUVe 1 is an open-source, low-cost stereo-lithographic 3D printer which uses 405nm UV laser to build parts' layers one at a time. 
  • No part costs more than $20 to make or replace, except the reservoir which costs around $50 pre-assembled with non-stick surface
  • uses any Arduino based controller as long as it supports the RepRap GCODE standards. It supports Marlin firmware and you have the ability to address a fan or other accessory through code
  • MicroRax frame making it modular and expandable
  • 8mm hardened steel linear rods and bearings for inexpensive smooth motion
  • build space: 145mm x 145mm x 185mm
  • Standard RepRap Electronics, Marlin firmware required so far. Standard Cartesian control system.
  • Laser Iris Diaphragm allows hugely scalable resolution, .1mm is tested and working.
  • 20mW laser is relatively low power and safer than some alternatives.
  • Replaceable non-stick coating on durable glass ensures long reservoir life.
  • Heated Reservoir
  • Outside dimensions: approx. 330mm x 330mm x 450mm or 12.75" x 12.75" X 18"
  • Priced at $1,699. Kit includes everything, the printer, 1 gallon of resin, laser cut case and tools

mUVe had a successful Indiegogo campaign: 



Project homepage:
































Update (20.3.2014.):


Here is mUVe at MRRF 2014:


Uncia QS-1 DLP 3D printer from China






Chinese companies are delivering more sophisticated 3d printers. I would like to see independent review of Uncia.

Technical specifications:
  • Building Volume: 102 x 77 x 180mm (4.02 x 3.03 x 7.09 in)
  • XY precision：0.1mm (3.94 in)
  • Z precision：0.1mm (3.94 in)
  • Software: Snapshot version 1.0
  • Printer size: 310x210x670 mm (12.20x8.27x26.38 in)
  • Weight: 12kg
  • Operating temperature:0°-32° C
  • Power: 100-240V,~2A, 50-60HZ
  • Data input: USB Building Volume: 102x77x180mm(0.1mm precision)
  • Price: $999, but they are offering coupons ($100~$500) on Indiegogo

Here is their Indiegogo campaign:

http://www.indiegogo.com/projects/uncia-dlp-3d-printer-an-affordable-professional-3d-printer






Update (1.8.2014.):

Looks like Uncia was a full success, they released upgraded version with improved projector and mechanics  and are growing their company:




You can get the Uncia for 299 USD on Indigogo trough their limited campaign:

https://www.indiegogo.com/projects/uncia-299-but-not-an-fdm-3d-printer

At that point Uncia is the cheapest DLP based 3d printer.



DIY laser 3d printer by Moritz Walter - video of the first print

Moritz Walter presents his DIY laser resin 3d printer. Video shows first print and basic information about it, I hope more details will follow.




From video description:
The very first print on my diy 3d laser printer. It should be a cube but it's just a small quadratic mess ;) It's using a 500mw 405nm laser on a custom made stepper motor driven xy-mirror deflection system. Using steppers instead of galvos might be unconventional, but saves you the necessity of high accuracy DACs in addition to a row of calibration steps and DSP. Steppers work just fine OOB with optical endstops while delivering quiet good accuracy proven on many FDM-machines out there. The z-Stage works well with a 0.9° stepper motor, but the surface of the print stage's not sticky enough to pull out the printed part out of the ptfe-covered vat.
However, mind that this is only a very first test, I only spilled a small spot of the expensive Spot-HT resin in the middle of the vat for testing the basic principle and functionality. All stepper motors are driven by a TB6560 based driver board. Main power source is a 300W pc power supply. I have implemented a fresh but teacup-flavored gcode-interpreter and a fully custom firmware on a chipkit max32 board, which offers speedy 80 MHz of floating point calculations for high-resolution vectorial mapping, pre-warping of incoming gcode and of course the necessary look-ahead, that is necessary for acceleration/deceleration.
Eventually it could achieve far more than 10.000 mm/s travel speed while still being able to pulse width modulate the laser intensity corresponding to it's current travel speed. For that, I will have to replace the current diy op-amp powered level shifter between the Max32 and the stepper driver with a FET-powered version, but for now it's running quiet well. In the video it's running at a low speed 500mm/s with a slow acceleration setting. Right now for testing I am using slic3r and the repetier host. Repetier is great, but one should really use skeinforge for professional printing. As you might have noticed the housing is a red IKEA box, which apparently seems to perfectly shield the 405nm laser light when closed (no guarantee for that, be careful with your eyesight when experimenting with lasers more than 1 mw). Thanks for watching, leave your comment, I'll be glad to see similar builds out there!

LumiFold 3D printer




http://www.indiegogo.com/projects/lumifold-the-foldable-photo-activated-resin-based-3d-printer

From project page:
  • The smallest Foldable 3d printer!
  • Low Cost 3D printer, costs half of many 3d printers on the market, and it’s portable!
  • Based on standard/cheap 20x20mm aluminum extrusion
  • Easy to use: just unfold, place under a projector, and print!
  • Low energy consumption (approx. 5W)
  • Interchangeable resin bed and platform, including a smaller one for experimenting and printing small parts
  • Max Print volume 90 x 90 x ~90 mm
  • Z resolution up to 0,01mm!
  • The first 3D printer with a 3D Holographic visualization of the printing progress!
  • Laser Scanner Platform kit available, will transform the LumiFold in a 3D Scanner
  • Travel kit with Lithium battery, with the IPad / IPhone control Kit you are ready for printing everywhere in the world!
Priced around 400 $ for the kit.





























Updated video of full print process from unfolding to printed object:


High resolution DLP DIY 3D printer Instructables tutorial by Tristram Budel

Very deep and detailed tutorial on instructables how to build high resoultion DLP 3d printer. Kudos Tristram! It costs around 1750 euro in materials and took some 1500 (!?) hours to make.




Finished printer in enclosure. Enclosure is important since the UV sensible resin needs to be protected from the light.



























Go to Instructables project page for very detailed assembly guide:

http://www.instructables.com/id/DIY-high-resolution-3D-DLP-printer-3D-printer/?ALLSTEPS

by: http://www.instructables.com/member/TristramBudel/

http://www.tristrambudel.com/


Update(1.4.2014.):

Dan Beaven made and blogged about his version based on this design:

http://diy3dprinting.blogspot.com/2014/04/aluminum-frame-diy-3d-dlp-printer-by.html


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