Parametric Electrical Panel Knockout Plugs (US)
Print Profile(1)
Description
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Parametric Electrical Panel Knockout Plugs (Standard US Sizes)
Need to safely cap an unused hole in a junction box or breaker panel? This parametric model generates snap-fit knockout plugs tailored to standard US Trade Sizes. I whipped this up after accidentally knocking out the wrong size for my Sense energy monitor after getting a panel upgrade!
Features:
- Support-Free: Prints flat on the bed. The retaining lip uses a printer-safe 45-degree overhang.
- MakerWorld Customizer Ready: Easily adjust the US Trade Size (1/2" up to 2"), panel thickness, and fit tolerances.
- Adjustable Flex: Use the "Relief Cuts" parameter to add flexible fingers for rigid materials (PLA/PETG)
- Set it to 0 if printing in flexible TPU.
- Set it to 6-8 for PLA/PETG
- Accurate Scaling: Automatically handles the conversion between US "Trade Sizes" and actual physical hole diameters.
Disclaimer:
Please be aware that using this cover may not comply with your local electrical codes. If you decide to print and use this design, you assume full responsibility for any consequences that may arise.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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