Brackets and mounts
Flush-Closure Forearm Shell
- Bounding box
- 64.0 × 64.0 × 200.1 mm
- Engine
- Precision B-rep
- Parameters
- 18
- Published
- October 24, 2026
Download
Free to download and use. See the terms.
The prompt
Modify the existing forearm shell CAD model. Preserve its current dimensions, C-shaped geometry, wall thickness, ventilation holes, and overall design. Redesign the longitudinal closure to be discreet and flush with the outer surface: - Remove all protruding tabs, external windows, and box-shaped mounting features. - Use two integrated longitudinal closure lips along the open edges of the C-shaped shell. - Add countersunk or counterbored screw holes so the screw heads sit flush with the exterior surface. - Place nuts or threaded inserts inside recessed pockets, hidden from external view. - Keep all fastening hardware away from the skin-contact surface. - Make the closure removable using standard screws. - Ensure both edges align accurately when assembled. - Keep the external silhouette smooth and compact. - Do not add clips, straps, or protruding latches. Generate a valid parametric precision CAD model using the required output structure: title, param_schema, and script. Preserve all existing geometry except the closure modifications.
Parameters
| Name | Value | Range |
|---|---|---|
| Shell Length | 200 mm | 100 – 350 |
| Wrist Circumference | 180 mm | 120 – 300 |
| Elbow Circumference | 200 mm | 120 – 320 |
| Wall Thickness | 2.5 mm | 1.5 – 5 |
| Longitudinal Slit Width | 1.2 mm | 0.4 – 4 |
| Rim Fillet Radius | 0.8 mm | 0.2 – 1.2 |
| Closure Lip Width | 7 mm | 6.5 – 14 |
| Closure Lip Radial Thickness | 6 mm | 4 – 12 |
| Screw Clearance Diameter | 3.4 mm | 2 – 6 |
| Screws Per Edge | 4 mm | 2 – 8 |
| Counterbore Head Diameter | 6 mm | 3.5 – 12 |
| Counterbore Depth | 1.8 mm | 0.6 – 4 |
| Nut Across Flats | 5.5 mm | 4 – 12 |
| Nut Pocket Depth Reference | 2.4 mm | 1 – 6 |
| Vent Hole Diameter | 4 mm | 1.5 – 10 |
| Vent Rows | 5 mm | 0 – 10 |
| Vent Column Angle | 180 deg | 120 – 240 |
| Vent Column Spread | 30 deg | 0 – 60 |
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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