Is this 3D model free to download?

Yes, Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Cults3D. Use the "Download from Cults3D" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by AMPERELAB3D, published on Cults3D. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first 3D printable model by AMPERELAB3D

Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first photo 1

Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first photo 2

Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first

Source: Cults3D by AMPERELAB3D

The Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first is a free printable 3D model from Cults3D by AMPERELAB3D. Three sizes, three clearances, nine short rings. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Cults3D

30 saves Source: Cults3D Updated 2026-10-23 License: PRIVATE-USE · non-commercial Category: Tools & Workshop

Tags: hose adapter, thread adapter, hose barb, g thread, iso 228, bsp fitting, garden hose, water tank, test ring, tolerance, garden hose adapter, rain barrel adapter, water tank fitting, hose connector set, camper water tank

About this model

Three sizes, three clearances, nine short rings. Print, try, then buy the fittings. Every part in this set is cut to ISO 228 pipe thread (Whitworth, 55 degrees), so it mates with the brass fittings you already own - taps, pumps, filters, rain barrels, IBC containers, camper water tanks. Sizes | Part | Thread | Hose / 2nd end | Bore | Hex | Height | |---|---|---|---|---|---| | VS-PR-G12 | G1/2 IG | - | - mm | 27 | 13 mm | | VS-PR-G34 | G3/4 IG | - | - mm | 32 | 13 mm | | VS-PR-G10 | G1 IG | - | - mm | 41 | 13 mm | Three fit grades, because your printer is not my printer Printed threads live and die on clearance. Every part comes in three grades - 0.20, 0.30 and 0.40 mm on the diameter. Print the free test rings first (separate listing, no charge), find the grade that screws onto your own br…

Frequently asked questions

Is this 3D model free to download?: Yes. Thread fit test rings G1/2 G3/4 G1 - free, find your printer's clearance first is free to download from Cults3D. Open it in the free Thinger app, or use the "Download from Cults3D" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Cults3D, not by Thinger. We link you directly to the original listing by AMPERELAB3D.
Who made this model?: Designed by AMPERELAB3D, published on Cults3D. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.