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The Sailrite Fabric Calculator
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Relaxed Roman Shades
Unit of Measurement
inches
cm
A.
Finished Width
(?)
Width of the finished shade. The calculator will add edge allowance to each side for hems and seam allowance as necessary.
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Decimals!
inches
B.
Finished Length
(?)
Length of the finished shade. The calculator will add to this length providing for the relaxed folds at the bottom of the shade.
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Decimals!
inches
Quantity
(?)
Total number of shades needed with these dimensions.
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Integer!
Fabric Width
(?)
Useable fabric width -- sometimes called nominal width (often 46, 54, or 60 inches -- 117, 137, and 152 cm)
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Numbers!
inches
Swag (depth as percentage of width):
(?)
Choose the desired depth of swag as a percentage of shade width.
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25%
20%
15%
10%
Key Dimensions:
The shade "blank" will be inches wide and inches long.
There is a flare near the bottom of NaN inches on each side.
Full width () continues to NaN inches above unfinished bottom edge.
NaN inches above the unfinished bottom edge on each side measure in .
Lines from full width to these points will create the inches of flare.
From here up the blank should be inches wide.
The depth of segment pairs (ring spacing) = NaN inches .
Lift lines = (offset inches).
Edge allowances (left and right)= 1.5 inches .
Foot seam allowance = 0.75 inches .
Head allowance (fudge factor) = 3 inches .
List of Materials: (click to view detail)
* Decor & Upholstery / Window Treatment Fabric from Sailrite
inches or yards.
* Drapery Lining Fabric from Sailrite --
x inches times quantity.
* Polyester or Nylon Thread from Sailrite
(V-46, V-69 or lighter).
* Sew on Rings for Shades - Item # 104469 --
NaN each.
* Seamstick 1/4" Basting Tape for Canvas & Upholstery - Item # 104167 --
roll(s).
* Nylon White Loop 1" - Item # 100515 --
NaN inches.
* Nylon White Hook 1" - Item # 100514 --
NaN inches.
* Bottom Rod for Fabric Shades 3/8" -- Item # 104989 --
NaN inches.
* Webbing Tubular Polyester 3/4" White 2295# - Item # 531610 --
NaN inches.
* Leech Line Dacron 5/64" White - Item # 21207 from Sailrite --
inches.
* Cord Adjuster Orb -- Item # 120065 --
2 each.
* Standard Screw Eye -- Item # 120034 --
NaN each.
* Plastic Lift Cord Condenser - Item # 104470 (white)--
1 each.
* Wooden Blind Cord Tassel -- Item # 106673 (white), # 106675 (pecan), # 106674 (alabaster) --
1 each.
* Cord Cleat - Item # 106726 --
1 each.
Wooden Headboard (approx. 1” x 2” x width of shade) & mounting screws
Canvas not supported
Canvas not supported
Canvas not supported