Brackets and mounts
Spacecraft Separation Ring Assembly
- Bounding box
- 18.2 × 17.0 × 2.1 mm
- Engine
- Precision B-rep
- Parameters
- 13
- Published
- October 6, 2026
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The prompt
Write a valid programmatic CAD script to generate a 3D assembly of a spacecraft separation system. CRITICAL REQUIREMENT: The script MUST define a top-level function exactly named build(params). Do not write any code outside of this function or missing this function, otherwise the AST validation will fail. Inside the build(params) function, construct the following geometric assembly using basic primitive shapes and boolean operations, then return the final combined assembly: 1. Lower Ring (Base): Create a hollow cylinder with Outer Diameter = 17.02 units, Inner Diameter = 14.14 units, and Height = 1.05 units. 2. Upper Ring (Top): Create another hollow cylinder matching the Lower Ring (OD = 17.02, ID = 14.14, Height = 1.05). Translate (move) this ring upwards by 1.05 units along the Z-axis so it sits perfectly flush on top of the Lower Ring. 3. Separation Springs: Create 6 vertical cylinders (Radius = 0.2 units, Height = 2.10 units) to represent springs. Distribute them in a circular array (spaced 60 degrees apart) sandwiched between the inner and outer diameters of the rings. 4. Motor Bracket & Actuator: Create a rectangular box (Width = 3.0, Depth = 1.5, Height = 1.0) and place it tangentially against the outer edge of the Lower Ring. Create two smaller horizontal cylinders (Radius = 0.4, Length = 2.0) attached to the left and right sides of this box to represent the dual motors. Return: Ensure the function returns the fully combined boolean union of all these parts. Ensure the syntax is completely valid for your specific CAD generation language.
Parameters
| Name | Value | Range |
|---|---|---|
| Ring Outer Diameter | 17.02 mm | 10 – 40 |
| Ring Inner Diameter | 14.14 mm | 5 – 39 |
| Ring Height (each) | 1.05 mm | 0.2 – 10 |
| Spring Pin Radius | 0.2 mm | 0.05 – 1.5 |
| Spring Pin Height | 2.1 mm | 0.2 – 20 |
| Spring Array Pitch Radius | 7.79 mm | 5 – 20 |
| Spring Count (60 deg apart) | 6 pcs | 1 – 24 |
| Bracket Tangential Width (Y) | 3 mm | 0.5 – 15 |
| Bracket Radial Depth (X) | 1.5 mm | 0.3 – 10 |
| Bracket Height (Z) | 1 mm | 0.2 – 10 |
| Fusion Seat Overlap | 0.3 mm | 0.05 – 1 |
| Motor Actuator Radius | 0.4 mm | 0.1 – 3 |
| Motor Actuator Length | 2 mm | 0.4 – 15 |
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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