3D preview of Interlocking Concrete Block
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Interactive 3D model of Interlocking Concrete Block

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Interlocking Concrete Block

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Bounding box
405.0 × 205.0 × 210.0 mm
Engine
Precision B-rep
Parameters
8
Published
August 20, 2026

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The prompt

3D STL model of a hollow interlocking concrete block. Outer dimensions 400mm × 200mm × 200mm. Wall thickness 25mm. Two rectangular hollow cores run vertically through the block. The top face has 4 interlocking tabs and the bottom face has 3 matching recesses, offset for stacking. Clean watertight mesh, suitable for 3D printing. Export as STL.

Parameters

NameValueRange
Block Length400 mm200 – 600
Block Width200 mm100 – 400
Block Height200 mm100 – 400
Wall Thickness25 mm10 – 50
Tab Size (square side)30 mm10 – 60
Tab Height10 mm5 – 25
Recess Size (square side)30 mm10 – 60
Recess Depth10 mm5 – 25

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.