3D preview of Hollow Aluminium Sleeve
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Hollow Aluminium Sleeve

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Bounding box
39.0 × 39.0 × 32.0 mm
Engine
Precision B-rep
Parameters
3
Published
October 15, 2026

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The prompt

Create a hollow cylindrical aluminium sleeve. Outside diameter 39 mm, inside diameter 30 mm, and finished length 32 mm. The inner and outer cylinders must be concentric, with a straight through-bore. Both ends must be flat, parallel, and perpendicular to the cylinder axis. Model the finished part only, with no additional features. All dimensions are in millimetres.

Parameters

NameValueRange
Outside Diameter39 mm20 – 120
Inside Diameter (Bore)30 mm5 – 110
Finished Length32 mm5 – 300

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.

Hollow Aluminium Sleeve - Free CAD Model (STEP, STL) | TextoCAD