Printer parts

Prusa Hotend 3D Models: Mounts, Toolheads, STL Files

This collection gathers STL files for Prusa hotend mounts, toolhead upgrades and related parts. You can compare how different designs handle mounting, cooling and cable routing. It is useful when you plan changes to a 3D printer's hotend area. 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 · 47 models from 4 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 2026-10-14

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About the category

«Prusa Hotend 3D Models: Mounts, Toolheads, STL Files»

The models range from simple adapter plates that fit a hotend to an existing carriage to full toolhead assemblies that combine an extruder, fan duct and mounting plate. Some designs are made for a specific printer frame, while others use a generic carriage pattern. Dual-hotend mounts and direct-drive conversions also appear, and they usually involve more parts and a different center of gravity.

Before printing, check the dimensions and hole spacing on the author's page, because a mount that fits one carriage may not fit another. Look at the number of parts, whether the design needs supports, and which material and settings the author lists. Photos of real prints can show how the part sits around the hotend and whether the fan duct clears the bed.

If you search for a specific hotend shape, try synonyms such as toolhead, extruder mount, x-carriage adapter or fan duct. Related terms like direct drive, bowden, strain relief or cable chain can lead to parts that solve the same problem. You can also combine the printer series name with the hotend type to narrow the results.

FAQ

Frequently asked questions

What is a Prusa hotend mount?
It is a printed part that holds a hotend and attaches it to the printer's carriage. The design determines which hotend shapes fit and how the fan duct is positioned.
What should I check before printing a hotend adapter?
Look at the hole spacing, the height of the hotend, and the clearance around the carriage. The author's page usually lists the material and settings used for a test print.
Can I use a hotend mount designed for another printer?
Only if the carriage pattern and the hotend dimensions match. Many mounts are made for a specific frame, so you may need to adjust the model or choose a different one.
What files are usually included in these models?
Most entries provide STL files for the main mount and sometimes for a fan duct or cable relief. Some include step or fusion files so you can edit the dimensions.
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