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Nice built. Maybe you can try to use the fabscan (fabscan.org) software with it. Most of your ideas in the "Next Steps" section are already done within the fabscan software. Just a driver for supporting the GPIO's of the Raspberry Pi is still not available. But i will have a look to the GPIO settings in your code, maybe i can make it working.
Thank you! Good work!
3D Scanner: FabScan Pi
We just released the new raspberry pi based fabscan software, you can find further informationen at fabscan.org
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