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Thanks Chris!
Great IIS link.
I had looked at onstep and will probably use that.
Why 400 step/rev?
Why belts, did you explore planetary gearboxes?
What are GT2 pulleys/belts?
3.75:1 that means for one turn of the stepper shaft the control shaft turns 3.75 times, so you are speeding up the steppers, why did you move from 2.5:1 because the slewing was too slow?
You made metal holders, do you have a drawing?
You used standard stepper mounts, which ones?
With the 3D printer versions do you have a design for the mounts?
Did you take a look at uStepper, they have encoders?
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