Is this 3D model free to download?

Yes, Solid object of constant width Reuleaux Triangle Volume of revolution is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" 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 Intentional3D, published on Thingiverse. 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.

Solid object of constant width Reuleaux Triangle Volume of revolution 3D printable model by Intentional3D

Solid object of constant width Reuleaux Triangle Volume of revolution photo 1

Solid object of constant width Reuleaux Triangle Volume of revolution photo 2

Solid object of constant width Reuleaux Triangle Volume of revolution

Source: Thingiverse by Intentional3D

The Solid object of constant width Reuleaux Triangle Volume of revolution is a free printable 3D model from Thingiverse by Intentional3D. This neat little object has the same width in any orientation. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

1,499 saves Source: Thingiverse Updated 2026-10-15 License: CC-BY-SA · commercial OK 17 makes Category: Education & Science

Tags: bearing, geometry, math

About this model

This neat little object has the same width in any orientation. Try printing out a few and put them under a book! Fun for kids and adults. i have a few iterations that are volumes of revolution of the Reuleaux Triangle. Print at default resolution, 2 shells. Print with raft and support. The support material is minimal and comes off easy with an exacto. See the pictures

Frequently asked questions

Is this 3D model free to download?: Yes. Solid object of constant width Reuleaux Triangle Volume of revolution is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Intentional3D.
Who made this model?: Designed by Intentional3D, published on Thingiverse. 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.