Wallpaper cutting plan
A straight-match plan for one rectangular wall and one opening.
Drag the opening. Strips stay full height unless short pieces are turned on.
Defaults: 400×240 cm wall, 53 cm × 10.05 m roll, 64 cm repeat, 10 cm allowance, window 120×140 at (140, 50). Result for those inputs: 8 strips, 256 cm each, 3 rolls.