Jigs and fixtures
Silicone Butter Mould Master (6x10)
- Bounding box
- 166.0 × 262.0 × 61.0 mm
- Engine
- Precision B-rep
- Parameters
- 11
- Published
- November 12, 2026
Download
Free to download and use. See the terms.
The prompt
Design a rigid, resin-3D-printable master mould for manufacturing a flexible, food-safe silicone butter mould. The finished silicone mould should resemble an ice cube tray, containing 60 vertical cylindrical cavities arranged in 6 columns and 10 rows. Each finished cavity must have: Internal diameter: 20 mm Internal depth: 45 mm Straight, parallel cylindrical walls Completely flat circular bottom Critical functional requirement: The butter must be removable by flexing the silicone underneath each cavity and pushing the butter cylinder upwards. Each cavity must therefore have a flexible silicone membrane at its base, allowing individual portions to be pushed out without removing or inverting the entire tray. Design the rigid master mould with positive cylindrical cores that form these cavities when silicone is poured and cured around them. Account for silicone wall thickness, spacing between cavities, external structural support and the thickness of the flexible bottom membranes. Do not confuse the master mould dimensions with the required finished silicone cavity dimensions. The master must allow the cured silicone mould to be removed without damage. Avoid geometry that would trap the silicone or prevent separation from the rigid master. Produce an editable parametric CAD model, a dimensioned engineering drawing, and STL and STEP exports. Before modelling, identify any missing engineering dimensions or manufacturing details and ask me to clarify them. Do not arbitrarily assume critical dimensions.
Parameters
| Name | Value | Range |
|---|---|---|
| Finished cavity diameter | 20 mm | 10 – 40 |
| Finished cavity depth | 45 mm | 20 – 80 |
| Flexible membrane thickness | 2 mm | 0.5 – 5 |
| Silicone wall between cavities | 4 mm | 2 – 12 |
| Silicone outer wall | 5 mm | 2 – 15 |
| Cavity columns | 6 pcs | 1 – 12 |
| Cavity rows | 10 pcs | 1 – 15 |
| Base plate thickness | 6 mm | 3 – 15 |
| Outer frame wall thickness | 8 mm | 3 – 20 |
| Core plate thickness | 8 mm | 3 – 25 |
| Pour/vent hole diameter | 2.5 mm | 0 – 5 |
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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