工具・機材

10 mm Gear STL Models for 3D Printing

This collection gathers 3D models that revolve around a 10 mm gear, shaft or bore: spur gears, planetary reductions, extruder knobs and a few workshop accessories. It is useful when you need a part that matches an existing 10 mm shaft instead of designing one from scratch. Every listing links to an STL or similar file you can slice for your own 3D printer. 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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選定基準：Polyzon編集部 · 本文の更新日：2026年10月15日

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«10 mm Gear STL Models for 3D Printing»

The models fall into a few groups. Spur gears with a 10 mm bore appear in several tooth counts, often paired with a matching pinion or rack. Planetary and multi-stage gearboxes combine a 10 mm input with a reduction ratio, while extruder knobs, motor pinions and shaft adapters are smaller single parts. A last group covers tool-side items such as sockets, wrenches and holders that simply use the same nominal size.

Before printing, open the author's page and read the dimensions: outer diameter, tooth count, module or pitch, bore and any keyway or set screw. Check how many parts the assembly has and whether they are meant to be glued, pinned or screwed together. Look at the material and settings the author lists, since gears that carry load behave differently from decorative ones, and check the photos of real prints for the surface finish on the teeth.

To widen the search, try synonyms such as spur gear, pinion, planetary gear set, timing pulley or bore, and combine them with the shaft size or the motor you are matching. Related topics like gearbox, extruder drive, RC drivetrain or robot arm often lead to parts that share the same 10 mm interface. If nothing matches exactly, look for parametric or customizable gear generators, where you can enter the tooth count and bore yourself.

FAQ

よくある質問

What does the 10 mm figure refer to in these models?
Usually it is the bore or shaft diameter the gear fits onto, but some listings use it for the outer diameter, the thickness or a mounting hole spacing. Read the dimension notes on the model page to see which one applies.
How do I choose the right tooth count?
Match the tooth count and module or pitch to the part it will mesh with. If you are building a new pair, pick both gears from the same source so the teeth are generated to the same standard.
Do these gears need supports?
It depends on the tooth profile and how the model is oriented. Many spur gears print flat with no supports, while gearboxes with internal cavities usually need them. The author's page often states the intended orientation.
Can I scale a gear to a different shaft size?
Uniform scaling changes the tooth size as well, so the gear will no longer mesh with the original counterpart. It is usually better to find a model generated for the bore you need.
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