40.0140.020.0
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Interactive 3D model of Downward-Opening C-Channel

Enclosures and housings

Downward-Opening C-Channel

1 views
Bounding box
140.0 × 40.0 × 20.0 mm
Engine
Precision B-rep
Parameters
4
Published
November 2, 2026

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Free to download and use. See the terms.

The prompt

Create a single parametric 3D part shaped like a C opening downward. The outer dimensions must be 140 mm wide and 40 mm tall. The wall thickness of the C must be 20 mm. Make the part 20 mm deep in Z. Keep the shape simple, solid, and printable, with flat top and bottom faces and sharp outer edges. Export it as an editable parametric CAD model suitable for STL export.

Parameters

NameValueRange
Outer Width140 mm20 – 300
Outer Height40 mm10 – 200
Wall Thickness20 mm1 – 50
Depth (Z)20 mm1 – 100

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.

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Downward-Opening C-Channel - Free CAD Model (STEP, STL) | TextoCAD