Brackets and mounts
Bicycle Front Bracket Mounting Adapter Plate
- Bounding box
- 80.0 × 180.0 × 14.0 mm
- Engine
- Precision B-rep
- Parameters
- 9
- Published
- November 14, 2026
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The prompt
Create a sturdy 3D-printable mounting adapter plate for a bicycle front bracket with a completely flat bottom face. Outer dimensions: 180 mm long (front-to-back) and 80 mm wide (side-to-side). The rear 148 mm section is a flat plate 6 mm thick to mount underneath a cargo box. The front 32 mm section (which sits on the bicycle bracket) is thicker on top, measuring 14 mm tall with the same continuous flat bottom face across the entire 180 mm length, creating an 8 mm vertical step on top softened with a 4 mm fillet radius at the inner corner. Through this thick front 32 mm section, drill two vertical through-holes of 6.4 mm diameter spaced 60 mm apart side-to-side (center-to-center, leaving 10 mm margin from each 80 mm side edge), positioned 20 mm from the front edge and 12 mm from the step. Clean manifold geometry, completely flat bottom, suitable for FDM 3D printing on its side without supports.
Parameters
| Name | Value | Range |
|---|---|---|
| Total Length | 180 mm | 100 – 300 |
| Total Width | 80 mm | 40 – 150 |
| Front Section Length | 32 mm | 20 – 60 |
| Front Section Height | 14 mm | 8 – 30 |
| Rear Plate Thickness | 6 mm | 2 – 12 |
| Step Fillet Radius | 4 mm | 0 – 7 |
| Hole Diameter | 6.4 mm | 3 – 12 |
| Hole Spacing (C-to-C) | 60 mm | 20 – 70 |
| Hole Offset from Front | 20 mm | 5 – 30 |
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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