Brackets and mounts
Ledger Box with Ledge Supports
- Bounding box
- 210.0 × 180.0 × 45.0 mm
- Engine
- Precision B-rep
- Parameters
- 9
- Published
- September 20, 2026
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Free to download and use. See the terms.
The prompt
Item 3 (Ledger Box) "Create a 3D open-top box with an outer length of 210mm, outer width of 150mm, wall height of 45mm, and wall thickness of 4mm. Along both long 210mm sides, add a flat horizontal ledge flush with the top lip, extending 15mm outward on each side (total top width 180mm). Underneath both 15mm ledges, add an external skeletal support framework made of 2.5mm x 2.5mm square tubing, consisting of 4 evenly spaced L-shaped brackets tied together at their outer corners by a long 210mm rail."
Parameters
| Name | Value | Range |
|---|---|---|
| Outer Length | 210 mm | 100 – 400 |
| Outer Width | 150 mm | 80 – 300 |
| Wall Height | 45 mm | 20 – 150 |
| Wall Thickness | 4 mm | 1 – 10 |
| Ledge Outward Extension | 15 mm | 1 – 50 |
| Ledge Thickness | 4 mm | 1 – 10 |
| Square Tubing Side | 2.5 mm | 1 – 8 |
| Bracket Vertical Leg Height | 15 mm | 5 – 60 |
| Brackets Per Ledge | 4 | 2 – 8 |
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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