reference card
thingiverse
Americans that models in metric may enjoy this. a reference for .5,1,2,3,4,5,10, and 25mm holes; m10, m8, m5, and m3 nuts; 1-5mm thickness; and "100" mm ruler **Cura may not place the bottom on the print bed automatically** 5.3=3mf 5.4=obj same model
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