3D preview of Two-Part Lap-Joint Electronics Enclosure
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Interactive 3D model of Two-Part Lap-Joint Electronics Enclosure

Brackets and mounts

Two-Part Lap-Joint Electronics Enclosure

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Bounding box
150.0 × 100.0 × 40.0 mm
Engine
Precision B-rep
Parameters
11
Published
September 13, 2026

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The prompt

Create a parametric two-part electronics enclosure with a length of 150mm (x-axis), a width of 100mm (y-axis), and a total height of 40mm (z-axis). The uniform wall thickness for both parts must be exactly 2.5mm. Shape requirements: - The base profile must be a rectangle but the corners must smoothly taper in a convex curve along both the X and Y axes towards the outer corners. - All exterior edges and corners must be heavily filleted/rounded (radius 5mm) to fit ergonomically against the human body (thigh or stomach). Assembly & Split: - Split the enclosure horizontally into a Top Cover (Oberschale) and a Bottom Base (Unterschale). - The mating interface where they join together must be a stepped lap joint (tongue and groove / stepped profile) so they interlock flushly. Mounting Features: - Integrate two rectangular slots/passages (Durchführungen) on the left and right sides of the bottom base to slide a strap (velcro strap) through. The slots should accommodate a 40mm wide and 3mm thick strap.

Parameters

NameValueRange
Length (X)150 mm80 – 250
Width (Y)100 mm60 – 200
Total Height (Z)40 mm30 – 80
Split Plane (Base Height)20 mm10 – 50
Uniform Wall Thickness2.5 mm1.5 – 5
Corner Taper Radius15 mm5 – 40
Exterior Edge Fillet (R)5 mm1 – 10
Lap Joint Step Depth2 mm1 – 6
Strap Passage Width40 mm20 – 70
Strap Passage Clearance Height3 mm1 – 8
Strap Passage Centre Height12 mm7 – 16

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.

Two-Part Lap-Joint Electronics Enclosure - Free CAD Model (STEP, STL) | TextoCAD