Print at 100% (actual size), do not fit to page. Stick the card flat on the glass with the corners fully visible.
Measuring card
stick on the glass · 210 × 297 mm
0100 mm
Scale check: this bar must be exactly 100 mm.
Print at 100% (actual size), do not fit to page. Stick the card flat on the glass with the corners fully visible.
windows.habitat-one.com/measure