Brackets and mounts
Parallel Chord Truss Roofing Frame
- Bounding box
- 11644.6 × 10414 × 342.6 mm
- Engine
- 3D Printing B-rep
- Parameters
- 15
- Published
- November 12, 2026
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Free to download and use. See the terms.
The prompt
> Create a 3D structural roofing frame. First, design a main parallel chord truss that is 38 feet long and 1 foot high. The top and bottom horizontal frame of this truss must be made of 1.5 inch by 2.5 inch rectangular tubing. The internal diagonal webbing must be made of 1 inch by 1 inch square tubing in a zig-zag pattern. Add vertical end-plates to this truss with 12mm diameter mounting holes. Duplicate this truss so there are 5 identical trusses in total, placed parallel to each other and spaced evenly apart to cover a total depth of 34 feet. > Next, create one more parallel chord truss using the exact same 1-foot height and same tubing materials (1.5x2.5 for chords, 1x1 for webbing), but make this one exactly 34 feet long. Attach this 34-foot truss horizontally flat across the front edge of the 5 main trusses to connect them together. > Finally, place 10 horizontal cross-beams on top of the 5 main trusses, running perpendicular to them. These 10 cross-beams must be made of 1.5 inch by 1.5 inch square tubing and must be spaced equally across the 38-foot span
Parameters
| Name | Value | Range |
|---|---|---|
| Main truss length - 38 ft | 11582 mm | 4000 – 20000 |
| Truss depth - 1 ft | 305 mm | 100 – 600 |
| Chord tube width - 1.5 in | 38.1 mm | 10 – 80 |
| Chord tube height - 2.5 in | 63.5 mm | 10 – 120 |
| Diagonal square tube - 1 in | 25.4 mm | 10 – 60 |
| Diagonal panel pitch | 1287 mm | 200 – 3000 |
| End plate thickness | 8 mm | 3 – 20 |
| End plate width | 50 mm | 20 – 120 |
| End plate mounting hole dia | 12 mm | 4 – 30 |
| Number of main trusses | 5 mm | 2 – 12 |
| Main truss spacing in Y | 2591 mm | 500 – 6000 |
| Front connector truss length - 34 ft | 10363 mm | 2000 – 20000 |
| Number of cross beams | 10 mm | 2 – 30 |
| Cross beam square tube - 1.5 in | 38.1 mm | 10 – 80 |
| Cross beam length | 10363 mm | 2000 – 20000 |
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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