I5 Inline Engine Model | Functional Pistons, Valves & Timing Chain
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I5 engine model with moving pistons, crankshaft, valves, and fully printable timing chain.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
This project is a fully functional I5 engine model designed for 3D printing. It features:
Moving crankshaft, pistons, timing chain, and two valves per cylinder, standard firing order: 1‑2‑4‑5‑3,
🔩 Assembly Details
The model is assembled using:
Crankshaft and camshafts: 4x bearings 608 (you can print it from included files),
Oil pan: 8 × M4 × 25 mm + nuts,
Cylinder head: 4 × M4 × 25 mm + nuts,
🔩 Printing tips
Camshafts: print split along the axis and glue after printing,
Crankshaft: print vertically with supports,
Springs: print with supports,
Valves: print horizontally with supports (vertical printing likely to fail),
Timing chain: print with 0.16 mm layer height,
Fully printable timing chain,
Check out my other engine models!
Update 29.11.2025
A new timing kit has been added. It features smaller gears, and the new timing chain is significantly stronger.