Brackets and mounts
SALT-SENSE Enclosure Exploded
- Bounding box
- 2640.5 × 160.0 × 136.0 mm
- Engine
- Precision B-rep
- Parameters
- 40
- Published
- October 22, 2026
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The prompt
Design a practical, compact, handheld electronic device enclosure for a student engineering project called SALT-SENSE, a low-cost portable soil salinity screening device. **Overall design:** Create a professional, rugged, ergonomic, field-use instrument that looks like a real agricultural testing device. Use a compact rectangular body with rounded corners, a slightly tapered grip, a flat front control panel, and a clean industrial design. Avoid unnecessary futuristic styling. **Approximate external dimensions:** - Length: 160 mm - Width: 75 mm - Thickness: 35 mm - Outer corner radius: 8–12 mm - Enclosure wall thickness: 2.5–3 mm - Material: 3D-printable PLA for the initial prototype; PETG may be considered for a more durable field version. **Front panel:** 1. A rectangular 0.96-inch OLED display near the top, with a recessed mounting area. 2. A small label above the display reading “SALT-SENSE”. 3. Three tactile push-button positions below the display: SELECT, BACK and MEASURE. 4. A small status indicator LED. 5. A clearly visible power button. 6. A simple, uncluttered layout with sufficient spacing for easy operation. **Electronics and assembly:** - Provide internal mounting posts for a small ESP32 development board. - Include a mounting area for an EC sensor interface circuit. - Reserve space for a compact rechargeable battery and charging module. - Add a USB-C charging-port opening, but leave exact positioning adjustable to match the selected hardware. - Include cable routing and strain relief for an external EC probe. - Keep the sensor probe separate from the main enclosure so it can be placed into a cup containing a prepared soil-water extract. - Do not put the EC sensing element inside the electronic enclosure. **Enclosure construction:** - Create a two-piece enclosure with a removable rear cover. - Use screw-fastened joints with properly sized mounting bosses. - Add internal supports and clearance for wiring. - Include a small cable exit with a suitable strain-relief feature. - Avoid permanently sealed construction because the electronics must remain accessible for repairs. - Include sensible clearances between the PCB, battery, wiring and enclosure walls. - Use rounded external edges and a stable, flat surface so the unit can rest on a workbench. **Output requirements:** Generate a dimensionally editable, parametric 3D CAD model. Keep the main enclosure, rear cover and buttons as separate components wherever possible. Provide a 3D assembly view, front view, side view, rear view and an exploded view showing how the components fit together. Export the model as STEP for further CAD editing and STL for 3D printing, if supported. Prioritise manufacturability, low cost, easy assembly and practical usability over decorative details. Do not invent exact PCB or battery dimensions; make the internal mounts adjustable until the actual components are selected.
Parameters
| Name | Value | Range |
|---|---|---|
| Layout Gap | 200 mm | 100 – 400 |
| Body Width | 75 mm | 50 – 120 |
| Body Length | 160 mm | 100 – 250 |
| Body Depth | 32 mm | 20 – 60 |
| Wall Thickness | 2.5 mm | 1.5 – 5 |
| Cover Thickness | 3 mm | 1.5 – 6 |
| OLED Pocket Width | 28 mm | 20 – 40 |
| OLED Pocket Height | 28 mm | 20 – 40 |
| OLED Pocket Depth | 2 mm | 0.5 – 3 |
| Label Width | 40 mm | 20 – 60 |
| Label Height | 8 mm | 4 – 15 |
| Label Depth | 0.5 mm | 0.2 – 1 |
| Button Diameter | 6 mm | 4 – 10 |
| Button Height | 5 mm | 2 – 10 |
| Button Spacing | 18 mm | 10 – 30 |
| Power Button Diameter | 8 mm | 6 – 12 |
| Power Button Height | 5 mm | 2 – 10 |
| LED Diameter | 3 mm | 2 – 5 |
| LED Height | 2 mm | 1 – 5 |
| USB-C Width | 9 mm | 6 – 12 |
| USB-C Height | 3.5 mm | 2 – 6 |
| Cable Exit Diameter | 8 mm | 5 – 12 |
| Boss Diameter | 7 mm | 5 – 10 |
| Boss Height | 8 mm | 4 – 15 |
| Screw Pilot Diameter | 2.5 mm | 2 – 4 |
| Screw Clearance Diameter | 3.4 mm | 2.5 – 5 |
| Standoff Diameter | 5 mm | 3 – 8 |
| Standoff Height | 4 mm | 2 – 10 |
| OLED Width | 27 mm | 20 – 35 |
| OLED Height | 27 mm | 20 – 35 |
| OLED Thickness | 4 mm | 2 – 8 |
| Grommet OD | 8 mm | 5 – 12 |
| Grommet ID | 4.5 mm | 3 – 8 |
| Grommet Height | 6 mm | 3 – 12 |
| Probe Diameter | 12 mm | 8 – 20 |
| Probe Length | 120 mm | 80 – 200 |
| Screw Diameter | 3 mm | 2 – 5 |
| Screw Length | 10 mm | 6 – 20 |
| Screw Head Diameter | 6 mm | 4 – 10 |
| Screw Head Height | 2 mm | 1 – 4 |
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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