Lever for Operant Chamber

Lever for the Operant Conditioning Chamber.

First look at the Operant Conditioning Chamber: http://www.thingiverse.com/thing:1226076

Print the parts using PLA because it is a non-toxic material. A layer height of 0.2 mm is recommended. Most parts can be printed with a 20% fill density. However, “bumper.stl” must be printed with 100% fill density. This part counterbalances the weight of the lever and must be heavy. No support material in necessary.

You will need also the following mater