Raspberry pi case with relay and temp / hum sensor

A case "all in one" for raspberry pi 3, 2 relay and dht22 sensor.

Used to pilot fan and heating with relay and python program.

Screw to fix card : M1.2mmX4mm

Link to screw :
https://fr.aliexpress.com/item/M1-2-M1-2-3-4-5-M1-2x3-4-5-Noir-Nickel-Plaqu-Acier-Croix/32852938650.html?spm=a2g0s.9042311.0.0.hh51kC


Link to sensor card :
https://www.amazon.fr/XCSOURCE-Humidit%C3%A9-Num%C3%A9rique-Temp%C3%A9rature-TE248/dp/B011U8GA40/ref=sr_1_4?ie=UTF8&qid=1519399437&sr=8-4&keywords=dht22

Link to relay card :
https://www.amazon.fr/SainSmart-Planche-canaux-Module-Arduino/dp/B005WR753Q/ref=sr_1_4?s=electronics&ie=UTF8&qid=1519399477&sr=1-4&keywords=arduino+relay

Update 2018-11-28 :
A new version with the top and the box fixed with a small screw (M2, length 10mm). Plastic clips sometimes fragile and breakable

Update 2019-08-05 :
Add freecad model in files list (FCSTD FILE). Contain box and top on same file.