Just Another Calibration Cube 30mm With 20mm Hole

Just another 30mm calibration cube to help you see how accurate your 3D printer is. Has a 20mm through hole. All edges are 1.5mm x 45 degree chamfered. Prints in 1 hour on my MK3S+. 

X text is 3mm wide x 2mm deep

Y text is 4mm wide x 2mm deep

+ and - sign are 2mm x 6mm x 2mm deep