45mm first layer calibration square —

Founded 45mm first layer calibration square models & stl files for printing
Roy the Robot
ji11x38
notouch device
jediknight0
LLLT helmet
nanomaX
Thor bookend
ADAM98
Disney Magic Bands
Dickey007
Prusa MINI knob
kubik241
Corrected Venom
JerryCable
Lithophane Stand
Hitman128cz