Summary

needed an incubator so i removed the top half of an ender 3 i had and printed a egg turner that stays stationary while the bed moves under it. put it all in a Styrofoam box and added a fan to help circulate heat. added a thermometer and viewer windows using some 2 liters i cut and flattened using my heated ender bed. ill post pictures if it works.

heres the gcode i used to make it move every 2 hours

M140 S37 ; Set bed temperature to 37°C
M190 S37 ; Wait for bed to reach 37°C

G91 ; Set to relative positioning

:loop
G1 Y5 F300 ; Move bed forward 5mm (gentle egg rolling)
G4 S7200 ; Wait 2 hours (7200 seconds)
G1 Y-5 F300 ; Move bed back 5mm
G4 S7200 ; Wait another 2 hours
M99 ; Loop indefinitely (if supported)