Brackets and mounts
Two-Tier GPU Server Chassis
- Bounding box
- 550.0 × 356.0 × 246.0 mm
- Engine
- Precision B-rep
- Parameters
- 22
- Published
- November 2, 2026
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The prompt
Generate a 3D CAD model of a two-tier open-frame server chassis for a multi-GPU system. The lower tier features a flat mounting plate measuring 385mm in width and 336mm in length to accommodate a large proprietary motherboard. The upper tier is a GPU mounting shelf positioned 200mm vertically above the lower plate to allow for 30cm flexible riser cables. The upper shelf must include a horizontal mounting rail designed to hold 10 standard dual-slot graphics cards arranged in a single row side-by-side, with a total shelf width of 550mm to provide ventilation gaps. Include a rear support bar for securing the GPU I/O brackets and a corresponding bottom rail to screw down 10 PCI-e riser base PCBs. No power supply mounts or outer enclosure walls are needed. The structure should consist of a minimalist open frame made of 2mm thick sheet metal plates or rectangular structural profiles.
Parameters
| Name | Value | Range |
|---|---|---|
| Lower plate width | 385 mm | 300 – 500 |
| Lower plate depth | 336 mm | 250 – 400 |
| Lower plate thickness | 2 mm | 1 – 5 |
| Upper shelf width | 550 mm | 500 – 600 |
| Upper shelf depth | 350 mm | 300 – 400 |
| Upper shelf thickness | 2 mm | 1 – 5 |
| Gap between plates | 200 mm | 150 – 250 |
| Front rail height | 20 mm | 15 – 30 |
| Front rail thickness | 2 mm | 1 – 4 |
| Rear I/O vertical height | 40 mm | 30 – 60 |
| Rear I/O horizontal depth | 20 mm | 15 – 30 |
| Rear I/O thickness | 2 mm | 1 – 4 |
| Rear I/O length | 550 mm | 500 – 600 |
| Riser rail length | 500 mm | 400 – 550 |
| Riser rail width | 25 mm | 20 – 35 |
| Riser rail height | 10 mm | 8 – 20 |
| Riser dist. from rear edge | 50 mm | 30 – 70 |
| Riser hole diameter | 3 mm | 2 – 5 |
| Riser hole end margin | 25 mm | 15 – 35 |
| Riser hole count | 10 mm | 1 – 20 |
| Post outer width | 20 mm | 15 – 30 |
| Post wall thickness | 2 mm | 1 – 4 |
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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