3D preview of Jersey Barrier
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Interactive 3D model of Jersey Barrier

Brackets and mounts

Jersey Barrier

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Bounding box
2000.0 × 610.0 × 820.0 mm
Engine
Precision B-rep
Parameters
8
Published
September 14, 2026

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The prompt

Create a single-piece precast concrete highway median barrier, similar to a Jersey barrier. Dimensions: - Overall length: 2000 mm - Overall height: 820 mm - Maximum base width: 610 mm - Top width: 295 mm Geometry: - Long rectangular barrier running along the X axis. - Symmetrical trapezoidal cross-section when viewed from the end. - Wide and heavy base with sloped sides. - The lower section has gently curved transitions from the wide base into the narrower upper section. - The upper section is mostly vertical with a slightly tapered profile. - Flat horizontal top surface. - Flat vertical end faces. - No holes, no openings, no mounting hardware. - Solid concrete body. - Add small fillets to sharp external edges, approximately 5 mm radius. - Keep the geometry simple, manufacturable and suitable for a precast concrete mold. The result must be one continuous solid body, not an assembly. Use millimeters and make all dimensions explicit and editable parameters. Generate a clean engineering-grade parametric CAD model.

Parameters

NameValueRange
Overall Length2000 mm1000 – 4000
Overall Height820 mm400 – 1200
Base Width610 mm400 – 800
Top Width295 mm150 – 450
Lower Vertical Height75 mm50 – 200
Upper Section Start Height500 mm300 – 700
Upper Section Bottom Width335 mm250 – 450
Fillet Radius5 mm0.5 – 15

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.

Jersey Barrier - Free CAD Model (STEP, STL) | TextoCAD