Enclosures and housings
Weatherproof Sensor Enclosure (Base + Lid)
- Bounding box
- 142.0 × 60.0 × 90.0 mm
- Engine
- Precision B-rep
- Parameters
- 23
- Published
- November 2, 2026
Download
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The prompt
I want to build an enclosure for a 70 * 52mm PCB which needs vents for the sensors it uses. Below are the components of the PCB: BMV080, BME688, Arduino Nano ESP-32, Notecard for Skylo. I'm not sure of the battery size yet but assume it is 67*30*77 (likely larger than actual size). Ensure the following: A short, direct air path to the sensors (per the latency point above) — protect, but don't build a maze. Follow Bosch's design-in / venting app notes for each sensor. Both the BME688 and BMV080 have published guidance on vent-hole size, keep-out zones, and airflow direction. The BMV080 especially is a fanless optical particle sensor — it relies on diffusion/convection and is picky about its inlet geometry and stray light. Use their numbers rather than eyeballing. Vents face down; add weep/drain holes at the lowest interior points so any water that does get in drains out rather than pooling on the board. A hydrophobic pressure-equalization vent (PTFE membrane, e.g. Gore/Amphenol) on the sealed dry compartment — equalizes pressure across day/night temperature swings so the box doesn't "breathe" moist air in through seams, without letting liquid water pass.
Parameters
| Name | Value | Range |
|---|---|---|
| Base Length | 142 mm | 120 – 200 |
| Base Width | 60 mm | 50 – 100 |
| Base Height | 80 mm | 50 – 150 |
| Wall Thickness | 3 mm | 1.5 – 6 |
| Bottom Floor Thickness | 2 mm | 1 – 5 |
| Vent Slot Width | 2 mm | 1 – 4 |
| Vent Slot Length | 20 mm | 5 – 50 |
| Number of Slots | 5 | 1 – 10 |
| Slot Spacing | 3 mm | 1 – 10 |
| Vent Zone X Offset from Left End | 20 mm | 5 – 100 |
| Weep Hole Diameter | 2 mm | 0.5 – 4 |
| Weep Hole Inset from Interior Corner | 5 mm | 2 – 15 |
| Membrane Recess Diameter | 10 mm | 5 – 20 |
| Membrane Recess Depth | 1 mm | 0.5 – 2 |
| Membrane Through‑Hole Diameter | 1.5 mm | 0.5 – 4 |
| Membrane Y Offset (+Y edge) | 10 mm | 2 – 30 |
| Membrane Z Offset (Top edge) | 15 mm | 2 – 50 |
| O‑Ring Groove Inset from Outer Edge | 1 mm | 0.5 – 3 |
| O‑Ring Groove Width | 1 mm | 0.5 – 2 |
| O‑Ring Groove Depth | 1 mm | 0.5 – 2 |
| Lid Thickness | 10 mm | 3 – 20 |
| Lid Lip Inset Height | 5 mm | 2 – 10 |
| Lid Lip Clearance | 0.2 mm | 0.1 – 1 |
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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