Is this 3D model free to download?

Yes, Magnetic Triangular Dominos (Tri-ominos) 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 wakuhn, 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.

Magnetic Triangular Dominos (Tri-ominos) 3D printable model by wakuhn

Magnetic Triangular Dominos (Tri-ominos) photo 1

Magnetic Triangular Dominos (Tri-ominos) photo 2

Magnetic Triangular Dominos (Tri-ominos) photo 3

Magnetic Triangular Dominos (Tri-ominos) photo 4

Magnetic Triangular Dominos (Tri-ominos)

Source: Thingiverse by wakuhn

The Magnetic Triangular Dominos (Tri-ominos) is a free printable 3D model from Thingiverse by wakuhn. We like these magnetic tri-ominos because of the satisfying way they snap together, They are printed in two parts, a base and top. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-11-09 License: CC-BY-NC-SA · non-commercial Category: Toys & Games

Tags: boardgame, dominos, game, magnetic, OpenBoardGameChallenge, triangular, triominos, weighted

About this model

We like these magnetic tri-ominos because of the satisfying way they snap together, They are printed in two parts, a base and top. The base has recesses to hold three Neodymium Magnets (cylindrical, 5 mm diameter x3 mm height). The top snaps into the base. It has recessed numbers, and can be printed in one or two colors. For two colors, print it face down and change colors at 0.8 mm z-height. To assemble, insert three magnets in each base, and snap on a top. If more weight is desired, one or two US pennies fit inside, or alternatively, 0.75 inch diameter coin blanks. It is important to orient the magnets as shown in the photo, All magnets should face the same way - e.g. with the north pole pointing counterclockwise around the circumference. A simple way to test the magnet polarity is to ta…

Frequently asked questions

Is this 3D model free to download?: Yes. Magnetic Triangular Dominos (Tri-ominos) 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 wakuhn.
Who made this model?: Designed by wakuhn, 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.