Printer parts

G1 1/4 Adapter 3D Models and STL Files

This collection gathers STL files for adapters that bridge different thread standards, hose connectors, filament spools, bit drivers and camera mounts. It helps you find a starting point for 3D printing when a direct connection between two parts is missing. Each listing points to the author's page, where the actual dimensions and print details are described. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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

«G1 1/4 Adapter 3D Models and STL Files»

The results cover several families of parts. Threaded plumbing adapters connect different hose, tap and tank fittings, often with inner or outer threads. Filament spool adapters let a smaller or refill spool fit a larger holder or a dryer. Bit and socket adapters change between square and hex drives, while camera and tripod mounts use a common small screw. Pump and irrigation fittings form another group, including splitter and drip connections.

When choosing a model, check the thread type and direction, the measured diameter and pitch, and whether the author shows a seal or gasket. Look at the number of parts, how they join, and whether supports are needed. The material and settings listed by the author matter for parts under pressure or repeated use. Photos of real prints can show how well the threads and sealing surfaces came out.

To narrow the search, try synonyms for the connection you need, such as hose adapter, thread reducer, spool holder adapter, bit holder or tripod mount. Related terms include plumbing fitting, garden hose connector, filament spool converter, socket adapter and camera screw. Combining a thread standard with the part type usually gives a shorter list than a single broad word.

FAQ

Frequently asked questions

How do I know which thread size an adapter uses?
The model page should state the thread standard and direction. Compare that with the measured diameter and pitch of your existing fitting. If the author provides a drawing or test print, use it to confirm before printing the full part.
Do threaded adapters need supports?
It depends on the orientation and overhangs in the model. The author's page often notes whether supports are needed and where they go. For internal threads, a test print can help check the fit.
What material works for hose or plumbing adapters?
The author usually lists a material and settings. For parts that carry water, many designs use a flexible or water-resistant filament, but the model page is the place to check the intended use. Layer height and wall count affect how the threads engage.
How can I find a spool adapter for a different filament size?
Search for spool adapter, spool converter or refill holder together with the spool type. Check the inner and outer dimensions of your spool and the holder. Some designs are modular and accept several spool widths.

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