Is this 3D model free to download?

Yes, Two-Eccentrics Steam Engine from MechanicalGIFs.com 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 theodoregray, 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.

Two-Eccentrics Steam Engine from MechanicalGIFs.com

Source: Thingiverse by theodoregray

The Two-Eccentrics Steam Engine from MechanicalGIFs.com is a free printable 3D model from Thingiverse by theodoregray. This is an acrylic model of a steam engine that uses two eccentrics at an angle to each other to create the necessary relationship between the piston and valve movements. 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 2026-10-17 License: CC-BY-NC-SA · non-commercial Category: Vehicles & RC

Tags: engine, laser, lasercutter, model, piston, steam engine, toy

About this model

This is an acrylic model of a steam engine that uses two eccentrics at an angle to each other to create the necessary relationship between the piston and valve movements. It is made from laser-cut acrylic. It should be possible to make using an ordinary desktop laser cutter able to cut 1/8" (3mm) acrylic. Photos and videos can be seen at

Frequently asked questions

Is this 3D model free to download?: Yes. Two-Eccentrics Steam Engine from MechanicalGIFs.com 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 theodoregray.
Who made this model?: Designed by theodoregray, 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.