Files (28)
Based on 25% main infill across listed model files
Filament only at roughly $24/kg PETG / ASA
Uses 70 mm/s, 0.2 mm layers; verify supports in slicer
Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.
Reference shelf
Recommended filament for this print
Product references matched to the published material guidance. Confirm diameter, heat resistance, colour, and printer compatibility.
| Referenced item | What to verify | Price & availability |
|---|---|---|
| PETG filamentAmazon · Affiliate link | Amazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region. | Check price at Amazon |
| ASA filamentAmazon · Affiliate link | Amazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability. | Check price at Amazon |
Affiliate disclosure: if you buy through an eligible link, 3DPrintedCarPart may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Confirm product specifications, compatibility, seller terms, and vehicle safety before ordering or using anything. Amazon may redirect you to a nearby supported store; otherwise the original Amazon.com page remains available.
Unsure which one fits? Read the automotive filament guide.
Mazda RX7 Wankel Rotary Engine 13B-REW - Working Model
Print this part
Use the part context as a starting point, then confirm geometry-dependent values in your slicer.
Files
28 hosted model files
STL
Material start
PETG or ASA for durability
Saved part guidance
Strength start
20-30% infill for balance between weight and strength
Saved part guidance
Orientation / supports
Likely not needed
Exact totals
50 g · 2 hours
Saved estimate
Vehicle exposure
Engine-bay exposure — use rated material or OEM
Open the STL, 3MF, or OBJ model in your slicer before printing. Exact grams, time, and final support placement come from the actual slice. Test-fit and heat-check the part before installing it in a vehicle.
License & use
The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.
Shared by
Michael ChenDescription
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%). The engine stand model as well as links to the hardware kit can be found here 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 eccentric shaft is sectioned into three pieces and held together with magnets and index pins, so that you can open and close the model while its running. The rotors are held to the eccentric shaft with magnets so that they don't fall out while the block is open. And they can be removed easily to see the eccentric shaft and fixed gears.
Compatible Cars
Originally published on thingiverse.com · License: CC BY
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