Topper infill algorithm for your 3d models

I just found this. Topper is an algorithm to create different infill structures for your 3d printed models. It requires CGAL and OpenSCAD. Input models must be in .off format, while output files can be in any format openSCAD supports (which are .stl / .off / .csg).
If anyone has any experience or practical examples let me know.

Commentators on Reddit claim:

Theoretically, it offers support on a large number of force planes where 2D infill patterns will be vulnerable along certain force planes.
In practice, I don't think this effect is at all important and the weakness of the layering process will always be more significant than some kind of theoretical issue with force planes.

Traditional infill is already alright, but this is several steps closer to optimizing strength per unit weight. This will be useful for people printing for niche applications (model airplanes/quadrocopters, architecture, printing expensive materials, etc)

https://github.com/rptynan/Topper

For a similar approach with fractal strength increase, see:

http://diy3dprinting.blogspot.com/2012/11/fractal-3d-printing-for-ultra-high.html

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Adapto DIY 3d printer

Very hackable printer design by Rotorit. It is has simplistic design and can use various materials for frame construction. Here you can see two versions, one from more expensive aluminum and one low cost option with frame made from wood.


Adepto presentation with aluminum frame:




Adepto 3d printer with 15$ wooden frame:

Alu frame Adapto printer

Wooden frame Adapto 3d printer

From project description:

200x240x280mm print volume!!
To download the parts see GitHub: http://bit.ly/11VXWYF Contains parts for both 8mm and 10mm smooth rods + +
For some build guidees see RepRap Wiki: http://bit.ly/12dyT3b
This V1.0 have a lot of updated parts for the Adapto V 0.1.1
The thought behind the Adapto 3D printer is that one can use the same printed parts on printers with different types of materials(in the frame).
The history behind this design is that i got hold of some alu extrusions that was intended to be used on a MendelMax
During the MM build i got so extremely annoyed with how over engineered it is and the blind joints so I decided to tear the MM apart in favor to make a design that only used 50% of the MM extrusions(that means i now have enough extrusions for 2 printers :D ).
I also designed the parts in a way that makes the builder able to use either Alu extrusions (20x20mm), wood, alu, acryl plates or plates made out of any material actually(if it is stiff enough).
I recommend not using anything thicker than 20mm thick plates/stripes(due to the y motor mount and y idler parts) and use max 34mm wide frame parts(due to the design of the feet`s), but thinner is ok if the material is stiff enough.
If you decide to build one, please feel free to add a pin on the Adapto Map
https://maps.google.com/maps/ms?msid=205564004670126753599.0004c999938430cb1f611&msa=0&ll=67.339861

https://github.com/rotorit/Adapto

http://www.thingiverse.com/thing:168023

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RepRap Wally files available on Github

https://github.com/NicholasSeward/ConceptFORGE/tree/master/Wally

Bill of materials: http://forums.reprap.org/file.php?185,file=20070,filename=wally.pdf

RepRap forum: http://forums.reprap.org/read.php?185,220993

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RepRap Lewis

Printer that was never developed to maturity, but has very interesting and unique design with SCARA arm and circular build platform. It does not need any bearings or non-printable linear systems.I hope someone will finish this project some day.

https://github.com/sjkelly/RepRap-Lewis

http://reprap.org/wiki/Lewis

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Jack the Ripper 3d printable optical media ripping automation robot

"Jack the Ripper" 3d printable optical media ripping automation robot will help you move tons of DVDs or CDs trough the optical drive.





From project website:

Aims were:

• Modular software and hardware design
• Open source
• Reliable
• Low cost
• Using off-the-shelf electronics

A stack of discs are placed into the “in tray”. An arm moves over to the stack and grabs the top disc. The disc is then lowered into the drive tray. Ripping takes place. Once complete the disc is removed from the drive tray and the arm takes it over to the “out tray” and places it there.
A Raspberry Pi is used to control the robot and a PC is used to control the overall process and the ripping.

Scheme of Jacks electronics:

http://www.britishideas.com/tag/robot/

https://github.com/ajayre/JacktheRipperBot

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Tobeca 3d printer

Tobeca is from France and it is suitcase foldable mobile 3d printer.

Specifications translated from product site:

• Comfortable: 200x200x220mm volume printing.
• Quality: all parts have been chosen for their quality and durability. The printed parts are made ​​from PLA Faberdashery , considered the best plastic printing in Europe.
• Easy to use: pre configured print profiles.
• Tranportable: its integrated case and its rugged design can transport the Tobeca without needing to recalibrate.
• Complete: the coil support is integrated into the Tobeca, no need for a dispenser next. The carriage includes a LED light to always see the work area.
• Compact and quiet, it fits easily on a desktop.
• Fast and accurate thanks to the mechanical components of quality prints (see Specifications for details).
• Versatile: With a heating plate, it can print various materials such as bioplastics, nylon, hybrid plastic / wood ...
• Quick and easy installation: less than 2 minutes to assemble or disassemble the Tobeca.
• Customizable: choose from several colors for a printer that suits you.
• Reactive support: email and forum, customized on request assistance.
• Replicable: Because the project is open source under the GNU / GPL v3 license, you can repeat yourself all the parts.
• Secure Protection of electrical parts and electronic printed with the housing.
• For your budget: Available assembly kit or assembled and tested, with or without 1 year warranty.
• Price: 699 € to 999 €

http://www.thingiverse.com/thing:147011

https://github.com/pyroboynroses/Tobeca

http://www.reprap-diffusion.fr/produits-2/tobeca/

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Introducing CuraEngine!

Your new friend in comlpex world of 3d printing software is here!

CuraEngine is the a powerful, fast and robust engine for processing 3D models into 3D printing instruction for Ultimaker and other GCode based 3D printers. It is part of the larger open source project called "Cura".
http://blog.ultimaker.com/cura-user-manual/

Summary of main features:

Faster slicing
What took hours now takes seconds. Also, this enabled us to create the following two features.
On-the-fly model preparation
There is no slicing button anymore because it starts processing right-away.
Live tweaking of slicing parameters
Because you see toolpaths re-appear whenever you change a setting, you can quicky find the optimal settings for your print job.
Model fixing
The engine can fix major problem in a model.
Multiple materials
The engine was built from the start with multi-head printing in mind.
Cross-platform
The Engine is written in C++ and released for Linux, Windows & Mac. Compilation on these and other platform should be trivial.
Open source
The license is Affero GPLv3.

David Braam (THE developer) gives more insight:



Ultimaker-evening: David Braam. from Ultimaker on Vimeo.


https://github.com/Ultimaker/CuraEngine

Source:
http://blog.reprap.org/2013/08/new-open-source-slicer-curaengine.html

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Idea Lab One open source 3d printer

From Poland comes Idea Lab One open source 3d printer, now on Indiegogo.

Technical Data

Size 410mm width 300 mm depth and 356mm of height
Electronics Teensylu with stepsticks
Materials ABS and PLA (heated bed)
24V power supply
200mm width 150 depth and 150 mm height of work space
1.75 mm direct drive extruder

The Complete DIY Kit includes

CNC cutted frame
Smooth rods
8 LM8UU Bearings
4 LM12UU Bearings
6 625ZZ Bearings
2 608 Bearing
Timing belts and all pulleys
Plastic Parts
Hotend
Heatbed with glass and aluminium for mount heat resistors
All cables and connectors
24v power supply
8 mm rod for Z drive
4 motors from upcycling tested with minimal holding torque 0.4Nm
Teensyluu board with 4 stepsticks

http://www.idea-lab.pl/

http://idea-lab3d.eu/ (english version)

http://www.indiegogo.com/projects/idea-lab-one-open-source-3d-printer

https://github.com/IdeaLabOne/One-3D-Printer

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3DR RepRap Delta printer files released to public under CC license

3DR Delta printer files are now available on Github under Creative Commons - CC-BY-SA-3.0 License.
I think there will be a lot of 3DR babies soon.

More on 3DR printer:

http://diy3dprinting.blogspot.com/2013/06/reprap-3dr-delta-3d-printer.html

Thank you Mr. RichRap for giving the community such a wonderful machine.

http://richrap.blogspot.nl/2013/07/3dr-reprap-delta-printer-part-1-release.html

https://github.com/RichRap/3DR-Delta-Printer

http://www.richrap.com/

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Cerberus 3D printer

Cerberus 3d printer presentation. Files for it are available at: https://github.com/grabercars/Cerberus

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