I made this, thought I'd share in case someone else wants to make it. For the Pi 3 A+ because you can actually get them.

Print the Button Housing and Probe Mount from TPU, the Buttons from ASA/ABS, the Case and Lid can be PLA

FOR ADVANCED DIY USERS ONLY

Power is tapped from the main 24VDC power supply then converted down to 5V and 12V for the Pi and thermostat/fan.

Parts Required:

(1) Raspberry Pi 3 A+

(1) Raspberry Pi Camera Module 3 Wide

(1) 5 amp in-line fuse holder

(2) LM2596 buck converters

(1) XY-T01 thermostat

(1) Noctua NF-P12 12V fan

(1) Noctua NF-A4x10 5V fan

(1) 120mm fan louver