Brackets and mounts
Two-Tier Open-Frame Server Chassis
- Bounding box
- 550.0 × 338.0 × 220.0 mm
- Engine
- Precision B-rep
- Parameters
- 18
- 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 |
|---|---|---|
| Material Thickness | 2 mm | 1 – 5 |
| Bottom Plate Width | 385 mm | 300 – 500 |
| Bottom Plate Depth | 336 mm | 300 – 400 |
| Bracket Height | 200 mm | 100 – 300 |
| Flange Extension | 82.5 mm | 50 – 150 |
| Upper Shelf Width | 550 mm | 400 – 700 |
| Upper Shelf Depth | 336 mm | 300 – 400 |
| Upper Shelf Height | 200 mm | 150 – 300 |
| Front Flange Height | 15 mm | 5 – 30 |
| Rear Bar Height | 20 mm | 10 – 40 |
| Slot Count | 10 | 1 – 20 |
| Slot Width | 20 mm | 10 – 50 |
| Slot Spacing | 50 mm | 20 – 100 |
| Bottom Rail Length | 500 mm | 300 – 600 |
| Bottom Rail Height | 20 mm | 10 – 40 |
| Hole Count | 10 | 1 – 20 |
| Hole Diameter | 3 mm | 1 – 8 |
| Hole Spacing | 46 mm | 20 – 80 |
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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