Skanbot – Telescoping Kinect 3D Portrait Scanner by Whosawhatsis #3DThursday #3DPrinting #3DScanning

RepRap 3D printer designer Rich from Deezmaker, known as Whosawhatsis, shared his Skanbot project in the Crashspace booth at this year’s Maker Faire.

Described by Whosawhatsis as a fully portable riff on Fredini’s Scan-o-tron 3000, this pet project is impressive to catch in action. With stepper-driven turntable for the subject and self-telescoping scanning arm — all run on gcode, because why not! — this rig also has the added benefit of fitting perfectly into the back of Whosawhatsis’s subcompact car without disassembly (one of the key design goals).

…This version is more automated and more portable, with a telescoping body that allows it to fit even in my micro-subcompact car without disassembly.

…We’re using Skanect (we prefer Macs, though in the video it is hooked up to the PC that we use for our other scanning software) and the drive systems for the turntable and the telescoping mechanism use stepper motors (because that’s what we had available) and are controlled by one of our old printer controller boards running Marlin, so we send it a few lines a gcode to do the moves.

…Another thing we came up with that seems to work pretty well, is mounting the Kinect on a hinged arm so that when we tilt it down (we move up from the top, then tilt the kinect about 45 degrees to get the top of the head and move it down to get the feet), it actually gets closer to the subject. This seems to give us a bit more detail than tilting the kinect at its built-in pivot point. I’m hoping we can get even better detail using the reading glasses hack, though I haven’t been able to find anyone actually using that with Skanect.…

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03 skanbot trunkview

06 skanbot top tilt mechanism detail

07 skanbot tiltingaction

08 skanbot turntabledriving

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