Re: New arm design for Simpson style printer.

nicholas.seward Wrote:
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> I used herringbone gears for axial and rotational
> alignment. I offset the herringbone gears from
> side to side by 1/2 of a tooth. This allows you
> to use the same part for both sides of the design.
> You could use string or nylon tip ties to hold
> this together. It would be easy to add tension
> from the back of the arm. Additionally, this
> looks very printable. I made the helical angle 45
> degrees to aid in the printability.

NIcholas, could you do a drawing of your string path showing string, stepper and tensioner?

I am having trouble picturing the path.

Thanks,
Ralph