The volume window is measured by the width and height of the window, and the number is preferably expressed in cm. The quantity window is the starting point of the entire production process. If the sloppy intention is to make the number inaccurate, it will directly affect the final effect of the curtain (curtain decoration effect picture). Generally, it should be noted that the height of the left and right sides and the width of the upper and lower sides are consistent and some irregular window types.
1. Calculate the width of the curtain finished product after the measurement window size, add 15 cm on each side, and reserve the actual width from 2 times to 2.5 times for the pleating. The multiple depends on the density of the pattern. The pattern size can be smaller and vice versa. Taking 2.3 times as an example, the formula for calculating the curtain body is: material width = (window width 15CM2) 2.3 times curtain hem distance 1-2 cm from the floor, so as not to be unsanitary, and this will appear to be higher; It is a half-window. If you don't make a curtain, the curtains can be placed 20-30 cm below the window sill.
If the window height exceeds 2.65 meters, the connection is required, and the connection materials are also calculated on the window body material. There are two types of connection: the flower connection and the flower connection: the connection material for the non-flower connection can be directly reduced by 2.65 meters, for example, the window connection material of 3.3 meters is 3.3-2.65=0.65. Meter.
The connection material for the flower connection needs to be as much as the original material width. For example, the 3.3-meter-high window has a material width of 8 meters. If the flower connection is used, the connection material needs 8 meters. The actual material used is 16 meters, which will cause a relatively large waste of flowers and materials, and the cost is high.
2. The guide rail calculates the guide rail of the ordinary curtain, the length of the guide rail = window width 15CM2. If there is a window screen, it requires two layers of guide rails, and the materials are twice as large. Some curtain styles also require three layers of guide rails.
3, Roman blind calculation method Roman curtain width is not too large, a single Roman curtain, such as the width of more than 1.5M is not ideal, Roman blind is suitable for the ratio of width to height in the form of 1:1.5 or more. The width of the fan-shaped roman shade can't be greater than the height, otherwise it will not be fan-shaped, and the best ratio of width to height is 1:2.
Roman blinds are divided into main cloth (outer roman shade) and interlining (inner roman shade). The main cloth covers the window frame, and the lining measurement must be accurate. The number of fabrics required for the main fabric = the height of the curtain is folded, the seam of the 1.45 meter fixed width cloth is 20cm; the seam of the 2.8 meter fixed cloth is 10cm. Roman blinds should wear aluminum strips on the lining cloth. The length of the lining cloth should be plus the fabric required for pleating: the number of fabrics required for the lining cloth = 4 cm of the curtain height (the amount of cloth per pleat) pleats the length of the rails of the roman shade = roman shade The width is -1CM and the amount of Velcro is equal to the length of the rail. Roman blind pull beads: plastic pull beads are about twice the height of the Roman blinds, stainless steel pull beads are about 3.5 times the height of the Roman blinds or about 7 meters. Pulling the bead will cause the curtain to fold up or down, and a different wrinkle shape will appear.
Generally, the width of the cloth is divided into a fixed width of 1.45 meters and a fixed height of 2.8 meters. Among them, the 1.45m fixed width fabric is calculated height, the flower type is generally vertical, and the cloth has a seamed interface, which is more suitable for windows higher than 2.7 meters. The fabric with a height of 2.8 meters is the width of the fabric. The pattern is generally horizontal, and the fabric has no interface. It is suitable for windows with a height of less than 2.65 meters. Accessories such as guide rails and laces vary in quality and style, and the price difference is relatively large.
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