4 channel Relay board by catoplepa 3d model
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Thingiverse
4 channel Relay board by catoplepa

4 channel Relay board by catoplepa

by Thingiverse
Last crawled date: 4 years, 6 months ago
http://www.thingiverse.com/thing:312762
I added support for small openings that can be removed after printinghttp://www.3dhubs.com/milan/hubs/christian

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