Timing Belt Pulleys

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https://www.kickstarter.com/projects/1346069182/plexibots?ref=nav_search

Timing Belt Pulleys
Included are a 20 tooth 6mm pulley for a GT2 belt and a 36 tooth 6mm pulley for a GT2 belt. These are the commonly used pulleys for 3D printers.
Our pulleys directly accomodate a chamfered 5mm shaft as included in all NEMA 17 motors. We have hacked the following OpenCad script --
http://www.thingiverse.com/thing:16627
We thus have the capability of generating the design for many different belt types, belt widths and number of teeth. If you would like to see any additional timing belt pulleys, please contact us.
Use our joining and angle plates for idler pulleys.
http://www.thingiverse.com/thing:213776
http://www.thingiverse.com/thing:213750
We also have a set of complementary gears.
http://www.thingiverse.com/thing:214043
NOTES:
We are planning to get many of these parts molded so "makers" can buy em cheap and use for their projects.