80.080.060.0
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Interactive 3D model of Piston Assembly with Rings

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Piston Assembly with Rings

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Bounding box
80.0 × 80.0 × 60.0 mm
Engine
Precision B-rep
Parameters
15
Published
November 2, 2026

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The prompt

ok i wanna create a piston and i dont care about dimensions i want you to jut do the ratios right wth puston ring and piston crown and every details

Parameters

NameValueRange
Bore Diameter80 mm50 – 200
Piston Clearance0.1 mm0.01 – 0.5
Overall Height60 mm30 – 150
Pin Diameter20 mm10 – 40
Pin Height from Bottom20 mm5 – 50
Top Ring Offset from Crown5 mm2 – 15
Second Ring Offset from Top Groove8 mm4 – 20
Oil Ring Offset from Second Groove10 mm5 – 25
Ring Groove Depth3 mm1 – 6
Compression Ring Thickness1.2 mm0.5 – 3
Second Ring Taper Offset0.2 mm0 – 1
Oil Ring Overall Thickness3 mm1.5 – 5
Oil Rail Thickness0.8 mm0.3 – 2
Expander Wall Thickness1 mm0.5 – 2
Expander Radial Clearance0.2 mm0 – 1

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

Piston Assembly with Rings - Free CAD Model (STEP, STL) | TextoCAD