gear1_shaft_r = gear1_shaft_d/2;
// gear1 shaft assumed to fill entire gear.
// gear1 attaches by means of a captive nut and bolt (or actual setscrew)
gear1_setscrew_offset = 5; // Distance from motor on motor shaft.
gear1_setscrew_d = 3.5;
gear1_setscrew_r = gear1_setscrew_d/2;
gear1_shaft_r = gear1_shaft_d/2;
// gear1 shaft assumed to fill entire gear.
// gear1 attaches by means of a captive nut and bolt (or actual setscrew)
gear1_setscrew_offset = 5; // Distance from motor on motor shaft.
gear1_setscrew_d = 3.5;
gear1_setscrew_r = gear1_setscrew_d/2;