I wrote this little headache-style OpenSCAD because I didn't have the right springs but a few ones from these:
http://reprapworld.com/?products_details&products_id=228&cPath=1591_1618
(9 coils of 1mm wire diameter for a total lenght of 25mm with an 10mm OD and 8mm, ID)
Bearings were also an issue, the only ones I had where some scavenged from old milling cutting tools (5x9.5x3.2 or something like).
| 1x_noTubes.stl | 390.6KB | |
| 1x_set.stl | 488.4KB | |
| 2x_noTubes.stl | 782.0KB | |
| 2x_set.stl | 911.1KB | |
| mk8_rpl_acc.scad | 4.4KB | |
| pictures.pdf | 7.0MB |
