M30 Nut
thingiverse
This is a nut designed to fit an M30 screw. It requires a 37mm wrench for tightening. The nut should be compatible with the spool arm on the Wanhao Duplicator i3 and similar printers. Print Settings: Printer: Wanhao Duplicator i3 Rafts: No Supports: No Resolution: 0.04mm layer height Infill: 100% Notes: A high-quality setting in your slicer is recommended, as the small size of this nut demands precise threads for proper function. Design Information: This design was created using OpenSCAD 2015.03. I would like to thank Thingiverse user "mikedan" for suggesting the idea that inspired this project. Minor Anomaly: To ensure a secure fit with an M30 screw, I specified the thread diameter as 29.0mm in the OpenSCAD code. If you are familiar with this issue, please share your insight by email or comment below. Related Items: This nut is compatible with both the original OEM spool holder and my custom replacement design: https://www.thingiverse.com/thing:1667008
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