You can friction weld plastic together with a help of Dremel tool as described and shown here:
http://diy3dprinting.blogspot.com/2014/01/how-to-friction-weld-plastic-with.html
There are also 3d printable "rivets" that you can insert and do a sort of "blind" or Pop riveting.
You can download files for printing them here:
http://www.thingiverse.com/thing:61510
http://diy3dprinting.blogspot.com/2014/01/how-to-friction-weld-plastic-with.html
There are also 3d printable "rivets" that you can insert and do a sort of "blind" or Pop riveting.
You can download files for printing them here:
http://www.thingiverse.com/thing:61510