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Adjustable thumb screw for bed mount / HE3D K280 / Delta / 20-2020 style — image 1
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Adjustable thumb screw for bed mount / HE3D K280 / Delta / 20-2020 style

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Just a series of combined models to print for delta / 20-2020 style printers. Meant for HE3D.

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Creative Commons — Public Domain

I won't go into the full detail on this one.  I tried using a quick release firm bed, and that works pretty well, but it could be a pain for calibration.  At the same time, I didn't want that weird spring calibration system that it shipped with.

So, I created a small optional thing for keeping the spring centered (I didnt like the play in the top and bottom of the spring as it causes wobble), and a thumbscrew for calibration.  

You probably want to print 3 screws, and 6 spring washer things.

Version 3.0 - 2025.09.13

  • First release