I am throwing out the old design completely. Instead of a diamondoid rack, I have switch to a double layer of silicon carbide. The pinion started off as a gear that is part of the NanoEngineer part library, but I "mutilated" it. It is hard to tell in the top picture, but there should be clearance at the bottom. I am not done though, and if it still needs a little adjustment, I'll do it; silicon is much easier to work with (as I was once told before). I plan on taking my time with this one...
More to follow.
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