PLA bearing fully customizable scad

Greetings!

This is simple PLA bearing SCAD script with full kastomizer ;)

Begin of the script :
`// Configuration of script

bearing_length = 24; // mm
bearing_outer = 16; // mm
bearing_inner = 8; // mm

// Fins (inner cutting elements)
fins = 14; // #
fin_dx = 3; // mm - distance from center
fin_len = 5; // mm
fin_d1 = 0.0; // mm
fin_d2 = 1.2; // mm
// rotation of each fin
fin_skew = 70; // degrees

// Side grooves
gr_on = true; // yes(