How can I do it without the fixture shown in this video - Driving Pulley

[Wongster]

DaveH, I misread your description. I know what you mean now. Very doable for me.

Tom, I've a rotary table from Sherline with stepper motor mounted. Will this do? I will check if it can rotate freely. This will simplify the process.

Mike, I agree. Just that my knowledge is limited...