Printer parts

Spacer Rings for PTFE: 3D Models and STL

This collection gathers STL files for spacer rings that fit around PTFE tubing, barrels, shades, and measuring tools. You can compare how each model handles wall thickness, inner diameter, and mounting. It is useful when a small ring decides whether a part sits correctly in a 3D printer or another assembly. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

A Polyzon collection · 48 models from 3 platforms

How this collection is put together

Polyzon assembles this collection from search results on the connected platforms. Repeats and models without a preview are removed, weak matches go to the end, and the rest keeps the search order. Models belong to their authors — check the terms on each model's page.

Selection rules: the Polyzon editorial team · Text updated 2026-10-13

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About the category

«Spacer Rings for PTFE: 3D Models and STL»

The models range from PTFE tube supports and adapters to barrel spacers, shade rings, measuring device rings, and small mechanical shims. Some are plain cylindrical rings, while others include flanges, slots, or clips for a specific fitting. They differ in how they attach: press-fit, screw-mounted, or held by an existing part.

When choosing a ring, measure the inner and outer diameter, height, and wall thickness of the part it must fit. Check the author's model page for the dimensions, number of parts, assembly steps, and whether supports are needed. Also look at the material and settings the author lists, and review photos of real prints to judge the fit.

To refine the search, try synonyms such as spacer, shim, collar, bushing, adapter, and insert. Add the device or tube size, for example PTFE tube, filament guide, barrel, sunshade, or measuring tool. Related topics include filament path guides, dryer fittings, and custom mounting rings.

FAQ

Frequently asked questions

What do spacer rings for PTFE tubing do?
They center or hold a PTFE tube inside a fitting, dryer, or printer path. The ring can set the tube depth or reduce play.
How do I choose the right inner diameter?
Measure the tube or shaft with calipers and compare it to the dimensions on the model page. A small difference can change the fit.
Can these rings be printed in different materials?
Yes, but the material affects stiffness and friction. Check the author's notes for the material and settings they used.
What should I check before printing a spacer ring?
Look at wall thickness, orientation, and whether supports are needed. Also review photos of real prints to see how the ring fits.
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