This is a soil wet alarm in an AR project by using  3D modelsthrough connect your sensor to IOT.

Plug your mosture sensor into soil and show smily and sad face as our alarm .

set and rotate boxes and spheres to draw our alarm. We also could adjust the opacity of our items

By creating a feed on https://io.adafruit.com/  you could realize IOT connection.

If you wanna discover more model ,check the https://www.thingiverse.com/  

Check it out and discover more~

Feel its magic~