@BoingBoing The crank post is too narrow to actually provide the motion without bend & breaking. Supply with a flexi-drive at the arc base.
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@BoingBoing It's possible to build. Grind a slightcurve in the glass arc & let the gear keep the rack square in it.Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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