*update
French calibration available on github https://github.com/Sardau/Sardauscan
updatehttp://www.instructables.com/id/Build-a-30-laser/
i've adden a instructable to explain how to build, calibrate and use the sardauscan.  
update: V0.0.0.4 out : (much) faster better stronger  
Sardauscan is a open source Sub 30$ 3D laser scanner that you can easely print yourself.
Even 12$ if you already have a hercule HD twist.  I think we can say it's "the cheaper 3d scaner on earth"
you just need a arduino nano, 1 to 4 line laser and a micro geared stepper  (28BYJ-48)
(see instruction for BOM)  
no external power needed. just 2 free usb port on your pc : one for the webcam the other for the rest.  
UPDATE
I’m proud to announce you the release of the open source Software for the “cheapest 3d scanner on earth” the 30$ DIY Sardauscan.  
The software Is written in C# and allow you to compose your Scan task by drag and drop.  
Recommended Process is composed from these scan
“Scan” => “IrQ filter” => “merge laser” (if you…

Пошаговый мануал (инструкция) по сборке 3D сканера Циклоп своими руками. Также присутствует список деталей со ссылками на АлиЭкспресс.

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