Is this 3D model free to download?

Yes, Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MyMiniFactory. Use the "Download from MyMiniFactory" 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 Eric G Harrell, published on MyMiniFactory. 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.

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model 3D printable model by Eric G Harrell

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model photo 1

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model photo 2

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model photo 3

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model photo 4

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model photo 5

Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model

Source: MyMiniFactory by Eric G Harrell

The Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model is a free printable 3D model from MyMiniFactory by Eric G Harrell. Working model of a Mazda 13B-REW Wankel rotary engine. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MyMiniFactory

121 saves Source: MyMiniFactory Updated 2026-11-02

Tags: engine, wankel, Mazda, rotary, 13b, 13brew, 13b-red

About this model

Working model of a Mazda 13B-REW Wankel rotary engine. Found in the RX7. Modeled from what was available on the internet. Mostly from pictures and diagrams. So most parts look right but are not dimensionally accurate. the scale is the same as my other models at roughly 1/3rd (35%). Complete hardware kits are avaialable through MakerRx. They include all the non printed parts to build this model. Screw, bearings, magnets, all the electronic components for the LEDs, etc. MakerRx Hardware kit Click Here. The model is designed so that you can see the moving parts of the rotary. All three of them. The center iron plate and front rotor housing are on hinges so the block can be opened up like a book. You can see the back rotor spinning and the you can turn the front rotor by hand when open. The …

Frequently asked questions

Is this 3D model free to download?: Yes. Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model is free to download from MyMiniFactory. Open it in the free Thinger app, or use the "Download from MyMiniFactory" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MyMiniFactory, not by Thinger. We link you directly to the original listing by Eric G Harrell.
Who made this model?: Designed by Eric G Harrell, published on MyMiniFactory. 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.