Is this 3D model free to download?

Yes, Subaru WRX EJ20 Boxer Engine Model - Fully Functioning 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 ericthepoolboy, 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.

Subaru WRX EJ20 Boxer Engine Model - Fully Functioning 3D printable model by ericthepoolboy

Subaru WRX EJ20 Boxer Engine Model - Fully Functioning photo 1

Subaru WRX EJ20 Boxer Engine Model - Fully Functioning photo 2

Subaru WRX EJ20 Boxer Engine Model - Fully Functioning photo 3

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Subaru WRX EJ20 Boxer Engine Model - Fully Functioning

Source: Thingiverse by ericthepoolboy

The Subaru WRX EJ20 Boxer Engine Model - Fully Functioning is a free printable 3D model from Thingiverse by ericthepoolboy. See updated cutaway version of the EJ20 can be found here. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

9,630 saves Source: Thingiverse Updated 2026-10-27 License: CC-BY-NC · non-commercial 20 makes Category: Toys & Games

Tags: 4 banger, 4 cylinder, boxer, cylinder, ej20, engine, engineering, horizontally opposed, MakerEdChallenge2, model, motor, scale model, solidworks, sti, subaru

About this model

See updated cutaway version of the EJ20 can be found here. Complete hardware kits are made for the updated cutaway model. Kits include all non printed parts, 500 rpm dc motor, speed controller, power connectors, and DC power supply. Subaru EJ20 Boxer engine!!! It's fully functional as in all parts move as intended in the real thing. Do not confuse it with a real engine, as this is not. This engine is slightly harder to print and assemble than my Toyota 22RE engine. So it is best to print or familiarize yourself with my previous models if you choose to print this one. The scale is once again 35% of the original which seems to be a good size for printing and finding fasteners that work and look right. The tolerances are a little tighter and depending on your printer the crankshaft might take…

Frequently asked questions

Is this 3D model free to download?: Yes. Subaru WRX EJ20 Boxer Engine Model - Fully Functioning 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 ericthepoolboy.
Who made this model?: Designed by ericthepoolboy, 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.