EnclosuresFree

Snap-In Cable Grommet and Blank Plug (20 mm)

Gland-style fittings for a 20 mm hole in a 2–4 mm box wall: barbed fingers snap in from outside. The grommet has a 7 mm cable hole with a side split so it slips over an existing cable; the blank plug closes unused holes.

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Print settings

MaterialPETG / TPU 95A
Layer height0.2 mm
Infill100%
SupportsNot needed — prints flat as oriented
Filament≈ 3 g total (estimate)
Size · box-cable-grommet-20mm30 × 30 × 11.4 mm
Size · box-blank-plug-20mm30 × 30 × 11.4 mm

Hardware

20 mm step drill or hole saw · silicone for a splash-proof seal

FIT CHECK
Printers vary. If holes are tight, drill them out or add 0.2 mm in the .scad file. Board dimensions follow the makers' published drawings; check yours before a long print.

License

Original design by MakerCore Hub, free for personal and educational use under CC BY-NC 4.0. Remix it and share it with credit; contact us for commercial use.

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