FreeCAD model to configure a two-sided rack from 2020 extrusions. Open with FreeCAD 1.0 or later and enter preferences in the spreadsheet.
The model will update to reflect the preferences:
| 256mm cube with caps | Cube with blind brackets | Rounded pillars |
|---|---|---|
| XL for MicroATX motherboard | Rounded top frame | 2U motherboard case |
Spot invalid combinations like rounded pillars with non-rounded caps:
| Mismatched corner cubes | Rounded corners with square caps |
|---|---|
| Rounded top-frame with caps | Rounded top-frame with blind brackets |
The BOM generator shows warnings for some invalid combinations:
And finally, it also has purchase links with estimated costs (with prices as of 2025-10-15):