Some links to useful documents from the BARN Tech Lab
3D Printing Orientation Links
Printing with Prusa i3 (PDF)
3D Printing Checklist (PDF)
Filaments for 3D Printing
HOWTO Solder
HOWO Use Multimeter
HOWO Use Oscilloscope
Creating a lino cut from a photograph (PDF)
XTool Laser Orientation Files
Laser Cutter Files
Barney - an open communitiy robotics project