LD2410 ESP32-WROOM Home Assistant Radar Case - Free 3D Print Model

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Math & Katy

Hobby & DIY>Other Hobby & DIY

IP Report

Print Profile(2)

All

X1 Carbon

H2C

X2D

A1 mini

P1P

H2D Pro

X1E

H2D

P1S

P2S

H2S

A2L

0.2mm layer, 2 walls, 15% infill

Designer

2.7 h

1 plate

4.8(4)

0.2mm layer, 2 walls, 10% infill

1.2 h

1 plate

4.0(2)

Open in Bambu Studio

Boost

194

300

112

Released

Description

📡 Smart Home Presence Sensor Case 📡

Build a clean and adjustable enclosure for your LD2410 mmWave radar module and ESP32-WROOM board — perfect for Home Assistant, ESPHome and DIY smart home presence detection projects.

Instead of leaving your electronics exposed on a desk or shelf, this case gives your radar sensor a finished, practical and maker-friendly look.

✨ Why this model is useful

Adjustable radar direction: the LD2410 module can be rotated inside the case, so you can fine-tune the detection angle after installation.
Clean smart home setup: ideal for rooms, hallways, desks, shelves, workshops or hidden automation sensors.
Designed for ESP32-WROOM + LD2410: great for Home Assistant and ESPHome presence detection.
Simple assembly: only 2× M3 screws are needed.
Optional radar logo version: print it in two colors for a nicer visual detail.

🛠 Printing notes

Supports are required.
Tested with 0.2 mm layer height, 2 walls and 15% infill.
PLA works well for the body.
PETG support interface can help with easier support removal.

🔧 Assembly / compatibility notes

Print the case parts.
Insert the ESP32-WROOM board and LD2410 radar module.
Use 2× M3 screws to close or fix the case.
Rotate the radar module to point in the desired detection direction.
Connect and configure it in your Home Assistant / ESPHome setup.

Important: please check your exact LD2410 / ESP32 board dimensions before printing. Some ESP32-WROOM boards with tall pin headers or bulky DuPont connectors may need extra space or low-profile/soldered wiring.

🏠 Great for

Home Assistant presence sensors
ESPHome DIY projects
mmWave room detection
Smart home automation
Desk, room or hallway presence detection
Clean electronics enclosures

💡 If you build smart home sensors, this is a simple way to make your ESP32 + LD2410 setup look clean, protected and easy to position.

Boost Me (for free)

I designed this case to make DIY smart home radar sensors cleaner, easier to mount and nicer to look at. If this model helps you build a better Home Assistant / ESPHome presence sensor, please consider giving it a Boost! Your support helps me create more practical smart home, workshop and everyday-use 3D prints. Every boost really helps — thank you! 🚀

Membership

Do you like practical functional models like this one? Join my Membership to support my work and get the right to sell physical 3D prints of my models. Your membership helps me keep designing useful, tested and maker-friendly prints for the community. 💚

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