Finally big QR 500 and its little brother QR 300 are both converted to

3D Printing
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Finally big QR 500 and its little brother QR 300 are both converted to 3-screw-z-stage and running well. The Dragon was printed on big QR with PLA material, 50mm/s, 0,125mm layer height. Hotend is an 6$ China E3d - JHead clone mix.

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Best quality “Made in Germany”! Very nice

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well done Marc!

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@Marc_Schonfleisch I can’t really tell from the pics, did you went for regular screw, inox or ballscrews??

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these are normal stainless steel m8 screws from Hardware store. But i have only printed about 10 hours with them. Why should they get damaged ?