- 1 x 12mm (or 10mm) M3 bolt
- 1 x 25mm (or 30mm) M3 bolt
- 2 x M3 nut
- 110cm of PLA
- Some small wood screws or glue to mount the mount to something.
I usually design things in Sketchup to print stuff on my UM1 or UM2. The designs are always accompanied by their source files for editing and a collada file for printing but if you want a particular format, just ask.