400x300mm calibration rectangle
thingiverse
for hot plate calibration for 400mm x 300 mm
Download Model from thingiverse
With this file you will be able to print 400x300mm calibration rectangle with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 400x300mm calibration rectangle.