Jigs and fixtures
Five-Cavity Candle Mold Tray
- Bounding box
- 150.0 × 160.0 × 27.0 mm
- Engine
- Precision B-rep
- Parameters
- 13
- Published
- October 29, 2026
Download
Free to download and use. See the terms.
The prompt
Design a dimensionally accurate 3D CAD model for a custom candle-making mold. The mold must be a single rectangular tray with 5 long, narrow candle cavities arranged side by side, similar to an ice cube tray. Candle dimensions: Length: 14 cm Width: 2.6 cm Thickness: 2.3 cm Cavity design: One different word embossed into each finished candle: GRATITUD, SALUD, AMOR, FE, and ÉXITO. The letters must be recessed 3 mm into the mold cavity so they appear raised on the finished wax candle. CRITICAL LETTER PLACEMENT: Place each word only at the bottom end of the finished candle, near its base, as shown in the reference photograph. The word must be positioned across the width of the candle, perpendicular to its long axis, not along the center or length of the candle. Leave the rest of each candle surface smooth and unlettered. Center each word within the designated bottom-end area, with clear, legible lettering. Include a wick channel along the centerline of each candle cavity, extending along the candle's length. Use rounded corners and smooth cavity surfaces. Add sufficient spacing and structural walls between the five cavities. Design the tray with a flat base and enough wall thickness for repeated use. CAD requirements: Use millimetres throughout. Make all major dimensions editable. Generate a 3D preview showing the complete five-cavity tray and the expected finished candles. Ensure the lettering is oriented correctly and will read normally when the candles are removed from the mold. Export an STL file for 3D printing and a STEP file for further CAD editing. Manufacturing considerations: Distinguish the mold cavity geometry from the finished candle geometry. Ensure the letters are mirrored or inverted in the mold as necessary to produce correctly oriented raised lettering on the finished candle. Check that the lettering, wick channels, cavity geometry, and demolding clearances are manufacturable. The design should be suitable as a master pattern for producing a flexible silicone candle mold.
Parameters
| Name | Value | Range |
|---|---|---|
| Candle Length | 140 mm | 50 – 300 |
| Candle Width | 26 mm | 10 – 50 |
| Candle Depth | 23 mm | 10 – 50 |
| Wall Thickness | 5 mm | 2 – 10 |
| Base Thickness | 4 mm | 2 – 10 |
| Text Depth | 3 mm | 0.5 – 5 |
| Letter Font Size | 4 mm | 2 – 10 |
| Wick Channel Width | 2 mm | 0.5 – 6 |
| Wick Channel Depth | 1.5 mm | 0.5 – 5 |
| Wick End Margin | 5 mm | 0 – 20 |
| Fillet Radius | 2 mm | 0.5 – 5 |
| Number of Cavities | 5 mm | 1 – 5 |
| Word Vertical Offset | 0 mm | -10 – 10 |
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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