Enclosures and housings
Behind-the-Neck Wearable Enclosure
- Bounding box
- 135 × 112.5 × 22 mm
- Engine
- 3D Printing B-rep
- Parameters
- 25
- Published
- November 14, 2026
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The prompt
Generate a single unified 3D model of a behind-the-neck wearable electronics enclosure. The shape is a U-shaped neckband connecting a large central rectangular pod to two circular end pods. The material thickness is 2.5mm. Central Pod: Outer dimensions 75mm wide, 50mm long, 22mm high, with 5mm rounded corners. It must contain a hollow internal cavity of 65mm x 40mm x 16mm to fit a microcontroller and battery. Central Pod Cutouts: Add a 12x6mm rectangular cutout on one short side (Micro-USB), a 10x4mm cutout on the opposite side (USB-C), a 9x3mm slot on the top edge (slide switch), and three 6mm circular holes on the top face for push buttons. Ear Pods: Two identical circular pods, 45mm outer diameter, 22mm height, attached to the ends of the neckband. Ear Pod Cutouts: On the inner-facing flat side (skin side) of each pod, create a 22mm diameter through-hole, recessed 2mm deep, to hold a circular audio transducer. On the front curved edge of each pod, create a 2mm pinhole for a microphone. Neckband: Connects the central pod to the ear pods. It should be 15mm wide, 8mm thick, and 120mm long (60mm on each side), curving ergonomically. Constraints: The flat bottom of the central pod and the flat inner faces of the ear pods must all lie on the same flat Z-axis plane so the model is easily 3D printable without supports. Keep the topology clean and parametric.
Parameters
| Name | Value | Range |
|---|---|---|
| Central pod width | 75 mm | 50 – 100 |
| Central pod length | 50 mm | 30 – 80 |
| Central pod height | 22 mm | 12 – 40 |
| Rounded corner radius | 5 mm | 1 – 12 |
| Internal cavity width | 65 mm | 40 – 90 |
| Internal cavity length | 40 mm | 20 – 70 |
| Internal cavity height | 16 mm | 8 – 30 |
| Wall / floor thickness | 2.5 mm | 1.2 – 5 |
| Micro-USB cutout width | 12 mm | 6 – 20 |
| Micro-USB cutout height | 6 mm | 3 – 12 |
| USB-C cutout width | 10 mm | 5 – 18 |
| USB-C cutout height | 4 mm | 2 – 10 |
| Slide switch slot length | 9 mm | 4 – 15 |
| Slide switch slot width | 3 mm | 1.5 – 8 |
| Push button hole diameter | 6 mm | 3 – 10 |
| Push button spacing | 18 mm | 8 – 30 |
| Ear pod outer diameter | 45 mm | 25 – 70 |
| Ear pod height | 22 mm | 10 – 40 |
| Transducer through-hole diameter | 22 mm | 10 – 35 |
| Transducer recess depth | 2 mm | 0.5 – 5 |
| Recess diameter allowance | 4 mm | 0 – 10 |
| Microphone pinhole diameter | 2 mm | 1 – 4 |
| Neckband width | 15 mm | 8 – 30 |
| Neckband thickness | 8 mm | 3 – 15 |
| Total neckband length | 120 mm | 60 – 200 |
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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