Enclosures and housings
Interactive Tic-Tac-Toe Board Assembly
- Bounding box
- 180.0 × 180.0 × 39.5 mm
- Engine
- Precision B-rep
- Parameters
- 38
- Published
- November 2, 2026
Download
Free to download and use. See the terms.
The prompt
Create a 3D-printable interactive 3×3 tic-tac-toe style board for an electronics project. MAIN BOARD - Overall size: 180 × 180 mm. - Total board thickness: 8 mm. - Nine recessed square cells arranged in a 3×3 grid. - Cell size: 50 × 50 mm. - Gap between cells: 5 mm. - Outer border: approximately 10 mm. - Cell recess depth: 3 mm. - Slightly round sharp corners with 1–2 mm fillets. - The recessed cells must keep the removable blocks centered. SENSORS - Add one reed-switch pocket under the center of each cell in the middle row. - Pocket size: 25 × 12 × 2.5 mm. - Optional bare reed-switch channel: 18 × 4 × 2.5 mm. - Keep approximately 2.5 mm of PLA between the cell floor and sensor pocket. - Add 4 × 3 mm cable channels leading to the electronics compartment. ELECTRONICS - Add a box protruding from the underside for an Arduino Nano and wiring. - Minimum internal size: 70 × 50 × 12 mm. - Include a removable bottom cover and cable-routing holes. - Electronics must not be visible from the top. BUTTON AND LEDS - Add a 12 mm hole for a momentary push button on the front edge or lower-right area. - Add two 5 mm LED holes beside it for one green and one red LED. - Add optional raised text: “CHECK”. REMOVABLE BLOCK Create a separate block model: - Size: 45 × 45 × 15 mm. - Flat top with a 40 × 40 mm photo recess, 0.8 mm deep. - Centered magnet pocket on the underside. - Main version: 6.2 mm diameter × 2.2 mm deep for a 6 × 2 mm magnet. - Optional version: 8.2 mm diameter × 2.2 mm deep. - Optional thin plug to cover the magnet pocket. - All nine blocks must look identical externally. PRINTING - Suitable for FDM printing in PLA. - Avoid unsupported overhangs above 45 degrees. - Use clean, simple geometry and practical tolerances. - Print the board as one piece if possible. - Also provide an optional version split into four connectable sections. OUTPUT 1. Main 180 × 180 mm board. 2. Block with 6 × 2 mm magnet pocket. 3. Optional block with 8 × 2 mm magnet pocket. 4. Electronics compartment cover. 5. Optional magnet-pocket plug.
Parameters
| Name | Value | Range |
|---|---|---|
| Board size | 180 mm | 100 – 500 |
| Board thickness | 8 mm | 4 – 20 |
| Cell size | 50 mm | 20 – 100 |
| Gap between cells | 5 mm | 2 – 20 |
| Outer border | 10 mm | 5 – 50 |
| Cell recess depth | 3 mm | 1 – 6 |
| Fillet radius | 1.5 mm | 0 – 2 |
| Sensor pocket length | 25 mm | 10 – 50 |
| Sensor pocket width | 12 mm | 5 – 20 |
| Sensor pocket depth | 2.5 mm | 1 – 4 |
| Cable channel width | 4 mm | 2 – 10 |
| Cable channel depth | 3 mm | 1 – 5 |
| Button hole diameter | 12 mm | 5 – 20 |
| LED hole diameter | 5 mm | 2 – 10 |
| Button X position | 80 mm | 0 – 90 |
| LED 1 X position | 70 mm | 0 – 90 |
| LED 2 X position | 60 mm | 0 – 90 |
| Electronics box internal length | 70 mm | 40 – 120 |
| Electronics box internal width | 50 mm | 30 – 80 |
| Electronics box internal height | 12 mm | 8 – 30 |
| Box wall thickness | 2 mm | 1 – 4 |
| Box Y offset | 0 mm | -80 – 80 |
| Cover thickness | 2 mm | 1 – 5 |
| Snap tab length | 10 mm | 5 – 20 |
| Snap tab width | 2 mm | 1 – 5 |
| Snap tab height | 3 mm | 1 – 5 |
| Block size | 45 mm | 20 – 80 |
| Block height | 15 mm | 5 – 30 |
| Photo recess size | 40 mm | 10 – 70 |
| Photo recess depth | 0.8 mm | 0.2 – 2 |
| 6 mm magnet pocket diameter | 6.2 mm | 5 – 10 |
| 6 mm magnet pocket depth | 2.2 mm | 1 – 5 |
| 8 mm magnet pocket diameter | 8.2 mm | 7 – 12 |
| 8 mm magnet pocket depth | 2.2 mm | 1 – 5 |
| Plug diameter | 6.2 mm | 5 – 10 |
| Plug thickness | 2.2 mm | 1 – 5 |
| Cell with plug (0–8) | 0 | 0 – 8 |
| Cell with 8 mm magnet block (0–8) | 8 | 0 – 8 |
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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