Goals

Simplify connections between mounting plates
- Replace CKp8d.scad with a simple bolt and cylinderical spacer
rotate mounting position of bearing rollers to allow for more space near stepper
accomidate geared stepper motor with offset shaft position
change the shape of CKc6.scad from a circle to match CKc1.scad's shape
make number of needles divisible by 4 if possible to help with starting weight

TODO