The flat curtain should cover the left and right sides of the window frame by 0.15 meters and double folds. The curtains are 0.1 to 0.2 meters from the ground.
1. Calculation method of flat opening curtain: (window width + 0.15 × 2) × 2 = finished curtain width 2
Finished curtain width ÷ step width × curtain height = fabric required for curtains such as: window width 2.5 meters, height 1.6 meters, fabric width 1.5 meters with material meters: (2.5 + 0.15 × 2) × 2 = 5.6 5.6 ÷ 1.50 × 1.6=6 meters
2, the calculation method of the curtain: the width of the curtain × 3 times the width of the pleat fabric (1.50 m) = the number of frames × (curtain height + free side) = the number of meters required: such as: curtain curtain width 2.5 m The metering height of 0.48 meters is 2.5 meters × 3 ÷ 1.5 meters = 5 ie 5 pieces of cloth 5 × (0.48 + 0.2 meters) = 3.4 meters
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