18 Nov
2015
18 Nov
'15
7:35 p.m.
There's one powered gear at the top; all the other parts spin freely. On Wed, Nov 18, 2015 at 5:21 PM, James Propp <jamespropp@gmail.com> wrote:
i'm having trouble grokking http://opcoa.st/JM7FH (what Alexander Holroyd calls the "hexagonal cam"), and I'm wondering if playing with a model would help. Any idea where to get one? Or will I have to convince someone to make one for me to play with?
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