ok arrive late…but thanks too much @Marc_Schonfleisch
i add it in documentation of Quadrap 
Originally shared by Mauro Manco (Exilaus)
Before QR V2 want show best hi qualtiy QR maked from @Marc_Schonfleisch in this case no use cord for xy motion but a standard gt2… well done Marc… thanks for this release.
https://grabcad.com/library/motedis-qr-500-3d-printer-1