Enclosures and housings
Interlocking Concrete Wall Block
- Bounding box
- 406.4 × 222.3 × 304.8 mm
- Engine
- Precision B-rep
- Parameters
- 11
- Published
- November 2, 2026
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The prompt
Create a production-ready CAD model of a modular interlocking concrete wall block for reusable mold production. Requirements: - Overall block size: 16 in long × 8 in high × 8 in deep. - Hollow-core construction to reduce weight while maintaining strength. - Male alignment keys on the top surface. - Matching female sockets on the bottom surface. - Hidden side interlocking key system so adjacent blocks automatically align. - 3° draft angle on all vertical mold-release surfaces. - Minimum wall thickness: 0.25 in. - Internal reinforcing ribs for rigidity. - Rounded internal corners (0.125 in radius). - No undercuts. - Designed for easy demolding from polyurethane or silicone molds. - Compatible with FDM 3D printing using PETG. - Split into printable components sized to fit an Elegoo Neptune 4 Max print bed. - Include alignment pins for assembling printed mold sections. - Fully parametric dimensions. Stone Face: - Front face is an Appalachian fieldstone wall. - Large irregular sandstone blocks. - 7–10 major stones. - Individual stones larger than 5 inches. - Natural split faces with weathered rounded edges. - Deep irregular mortar joints 0.5–0.75 in wide. - Stone relief depth between 1.0 and 1.5 inches. - No repeating pattern. - Texture wraps around both ends for corner continuity. Output: - Watertight solid CAD model. - STEP (.step) - STL (.stl) - DXF profiles of all mold plates. - Fully constrained parametric feature tree. - Manufacturing-ready dimensions and assembly.
Parameters
| Name | Value | Range |
|---|---|---|
| Length | 406.4 mm | 200 – 600 |
| Height | 203.2 mm | 100 – 300 |
| Depth | 203.2 mm | 100 – 300 |
| Wall Thickness | 6.35 mm | 3 – 15 |
| Key Diameter | 25.4 mm | 10 – 50 |
| Key Height | 12.7 mm | 5 – 30 |
| Socket Depth | 12.7 mm | 5 – 30 |
| Tongue Width | 19.05 mm | 10 – 40 |
| Tongue Depth | 12.7 mm | 5 – 25 |
| Rib Thickness | 6.35 mm | 3 – 15 |
| Number of Ribs | 2 | 0 – 6 |
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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