Enclosures and housings
HO Train Body Shell
- Bounding box
- 232 × 33.3 × 40 mm
- Engine
- 3D Printing B-rep
- Parameters
- 7
- Published
- November 7, 2026
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The prompt
Create a hollow train body shell with an aerodynamic profile for HO scale (1:87). Dimensions: Total length is 232mm, maximum width is 33.3mm, and total height is 40mm. Wall thickness must be 1.5mm throughout, and the bottom is completely open. The top long edges should be filleted (curved roof). Crucial feature: The lower part of the side walls must taper inwards (chamfered/sloped) starting from 15mm above the bottom, reducing the bottom width to 30.5mm.
Parameters
| Name | Value | Range |
|---|---|---|
| Total length | 232 mm | 100 – 300 |
| Maximum width | 33.3 mm | 20 – 60 |
| Total height | 40 mm | 20 – 80 |
| Wall thickness | 1.5 mm | 1.2 – 3 |
| Bottom width | 30.5 mm | 20 – 60 |
| Height where lower taper ends | 15 mm | 5 – 30 |
| Roof curve height | 10 mm | 5 – 20 |
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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