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3D Models for Potentiometer Regulators and Knobs

This collection gathers 3D models built around potentiometers and the regulators they control: knobs, dials, housings and controller cases. Most of these files are small parts that are awkward to buy separately, which makes them a practical target for 3D printing. The mix ranges from simple replacement dials to full enclosures for step-down boards and fan controllers. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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Polyzon合集 · 48个模型 来自8个平台

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筛选规则：Polyzon编辑部 · 文字更新于2026年10月11日

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«3D Models for Potentiometer Regulators and Knobs»

The most common group is knobs and dials, made for potentiometers and rotary encoders of various shaft shapes, sometimes with a marker line or a textured grip. A second group covers enclosures and cases for voltage regulators, power modules and fan speed controllers, where the shell has to leave room for the board, the shaft and the wiring. A smaller set deals with repair parts for specific devices, such as a rod or a replacement piece that links a knob to the original control.

When choosing a model, open the author's page and read what is listed there: the shaft diameter and shape the knob is drawn around, the outer dimensions of the case, the number of separate parts and how they join, and whether the author used supports. Look at photos of real prints to judge wall thickness and how the openings for connectors and screws are placed. The material and settings the author mentions are a starting point, not a rule, since a knob and a housing have different demands on stiffness and heat resistance.

If the first results do not match what you need, try other wording: dial, knob, cap, shaft adapter, control panel, speed controller, voltage regulator, converter box, encoder. Related topics such as fan ducts, bench supply parts or monitor controls often lead to files that share the same mounting idea. Narrowing by shaft size, board type or device model usually helps more than adding adjectives.

FAQ

常见问题

What should I measure before printing a knob for a potentiometer?
Measure the shaft diameter and note whether it is round, knurled or split, then check the height of the shaft above the panel. The model page usually states the shaft size it was drawn for, so compare that with your part.
Do regulator enclosures need supports?
It depends on how the author oriented the model. Many cases are drawn to print flat with the openings facing up, while others need supports under overhangs or inside cutouts. The description or the photos usually show which approach was used.
Which material works for a part near a hot regulator board?
Small knobs are usually printed in the same material as the rest of a project, while housings that sit close to warm components are often made in a filament with higher heat resistance. Check what the author lists and what temperature your board reaches.
How do I find a controller case for a board I already own?
Search by the board name or its dimensions rather than by the word regulator alone, and also try converter, module or supply. If nothing matches exactly, look for a case with a similar footprint and check the cutouts.
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