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Polargraph Drawing Machine

Step 6Mount your motors - edge style

Mount your motors - edge style
Your motors should be mounted so that the sprockets are as close as possible to the drawing surface.  If you have a thick surface, you can get away with just sticking your motors to the top edge of the board with double-sided foam tape.  This is actually a nice way of doing it because it cushions the vibration too.  The motors do tend to twist a bit, because their little foam rafts have some stretch in them, but on mine it wasn't really a problem unless I left the gondola hanging for days.

This arrangement is much neater when it comes to cabling and things too.  It all hangs down the back.

If you have access to a 3d printer, there is a neat stepper motor mount available at http://softsolder.com/2011/08/23/nema-17-stepper-motor-mount/.


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Author:Euphy
Like everyone, I like making things. I'm currently a computer programmer by trade, which I adore, but I like building physical things when I can. I like pottery and lino cutting and photography, and...
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