CordWrap Winder

A flat bobbin for a charger lead or an extension cord.

Winds a cord, with plug slots and an optional wall keyhole.

This model was designed in OpenSCAD with AI coding assistance.

License: CC BY 4.0. You can share it and adapt it. Credit the design, link the license, and say what you changed.

Recommended print: PLA, 0.4 mm nozzle, 0.20 mm layers, 3 walls, 15% infill, no supports. Keep each STL in the orientation it was saved.

Pictures are OpenSCAD renders.

Files and slicer estimates:

PrusaSlicer 2.7.2, generic PLA, the settings above. These lines are copied from the gcode summary.

• cordwrap-120x64-cord5.stl. Default winder, 120 × 64 × 12 mm, for a 5 mm cord, with a keyhole. estimated printing time (normal mode) = 2h 19m 4s. filament used [g] = 28.74.

• cordwrap-84x48-cord3p5.stl. Short charger winder, 84 × 48 × 8 mm, 3.5 mm cord. estimated printing time (normal mode) = 1h 8m 3s. filament used [g] = 12.83.

• cordwrap-200x88-cord8.stl. Extension-cord winder, 200 × 88 × 16 mm, 8 mm cord. estimated printing time (normal mode) = 5h 7m 47s. filament used [g] = 68.40.

• cordwrap-120x64-nokey.stl. Same 120 mm winder with the wall keyhole turned off. estimated printing time (normal mode) = 2h 15m 10s. filament used [g] = 28.29.

The scad file is one file for the customizer. No other file is required.

What you can change:

• Length, flange height, and thickness. Thickness is the printed height.

• Cord diameter. It sets how deep the wrap channel is, and how wide the end slots are.

• Flange width, and extra slot width added to the cord diameter.

• Keyhole on or off, the screw-head circle, and the slot the screw shaft slides into.

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