Brackets and mounts
WRX STI Front Brake Duct Insert
- Bounding box
- 348.1 × 130.0 × 153.8 mm
- Engine
- Precision B-rep
- Parameters
- 13
- Published
- September 28, 2026
Download
Free to download and use. See the terms.
The prompt
Create a precise, functional 3D-printable CAD model of a front brake-cooling duct insert for a 2005 Subaru Impreza WRX STI JDM (GD/GGB). The part replaces the original front bumper opening and directs air to the front brakes. Requirements: * Single watertight solid, clean STL/3MF. * Match the shape of the original 2005 JDM WRX STI front bumper opening. * Open airflow channel from front inlet to rear outlet. * Smooth aerodynamic internal transition. * 3 mm wall thickness. * Reinforced mounting bosses with Ø5 mm screw holes. * No geometry blocking airflow. * FDM printable with PETG or ASA. * Minimal supports. * No decorative mesh or organic AI geometry. * All critical dimensions must be editable/parametric. * Left/right versions must be mirrorable. Do not invent critical mounting dimensions without reference geometry.
Parameters
| Name | Value | Range |
|---|---|---|
| Inlet top width | 280 mm | 200 – 400 |
| Inlet bottom width | 300 mm | 200 – 400 |
| Inlet height | 80 mm | 40 – 150 |
| Corner radius | 12 mm | 2 – 30 |
| Flange extra width | 25 mm | 10 – 60 |
| Flange thickness | 4 mm | 2 – 10 |
| Wall thickness | 3 mm | 1.5 – 6 |
| Duct length | 140 mm | 50 – 300 |
| Outlet diameter | 90 mm | 40 – 150 |
| Boss diameter | 14 mm | 8 – 30 |
| Boss height | 8 mm | 3 – 20 |
| Boss inset from flange edge | 12 mm | 5 – 30 |
| Screw hole diameter | 5 mm | 3 – 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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