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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!
{{data.UofM}}
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!
{{data.UofM}}
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!
{{data.UofM}}
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 {{data.widthWithFlair}} {{data.UofM}} wide and {{data.finalLength}} {{data.UofM}} long.
There is a flare near the bottom of {{data.flairAlone / 2}} {{data.UofM}} on each side.
Full width ({{data.widthWithFlair}}) continues to {{(data.segmentDepth * 2) + (.75 * data.UofMScale)}} {{data.UofM}} above unfinished bottom edge.
{{data.segmentDepth * 6 + (.75 * data.UofMScale)}} {{data.UofM}} above the unfinished bottom edge on each side measure in {{data.flairAlone2}}.
Lines from full width to these points will create the {{data.flairAlone2}} {{data.UofM}} of flare.
From here up the blank should be {{data.widthFinal}} {{data.UofM}} wide.
The depth of segment pairs (ring spacing) = {{data.segmentDepth * 2}} {{data.UofM}} .
Lift lines = {{data.liftLines}} (offset {{data.liftLineOffset}} {{data.UofM}}).
Edge allowances (left and right)= {{data.edgeAllowance}} {{data.UofM}} .
Foot seam allowance = {{.75 * data.UofMScale}} {{data.UofM}} .
Head allowance (fudge factor) = {{3 * data.UofMScale}} {{data.UofM}} .
List of Materials: (click to view detail)
* Decor & Upholstery / Window Treatment Fabric from Sailrite
{{data.rollLength}} {{data.UofM}} or {{data.yards}} yards.
* Drapery Lining Fabric from Sailrite --
{{data.widthWithFlair}} x {{data.finalLength}} {{data.UofM}} times quantity.
* Polyester or Nylon Thread from Sailrite
(V-46, V-69 or lighter).
* Sew on Rings for Shades - Item # 104469 --
{{ data.liftLines * 8 * data.quantity }} each.
* Seamstick 1/4" Basting Tape for Canvas & Upholstery - Item # 104167 --
{{data.seamStick}} roll(s).
* Nylon White Loop 1" - Item # 100515 --
{{ data.width * data.quantity }} {{data.UofM}}.
* Nylon White Hook 1" - Item # 100514 --
{{ data.width * data.quantity }} {{data.UofM}}.
* Bottom Rod for Fabric Shades 3/8" -- Item # 104989 --
{{data.reducedBar * data.quantity}} {{data.UofM}}.
* Webbing Tubular Polyester 3/4" White 2295# - Item # 531610 --
{{data.widthWithFlair * data.quantity}} {{data.UofM}}.
* Leech Line Dacron 5/64" White - Item # 21207 from Sailrite --
{{data.totalLiftLines}} {{data.UofM}}.
* Cord Adjuster Orb -- Item # 120065 --
{{(data.liftLines + 2) * data.quantity}} each.
* Standard Screw Eye -- Item # 120034 --
{{data.liftLines * data.quantity}} each.
* Plastic Lift Cord Condenser - Item # 104470 (white)--
{{data.quantity}} each.
* Wooden Blind Cord Tassel -- Item # 106673 (white), # 106675 (pecan), # 106674 (alabaster) --
{{data.quantity}} each.
* Cord Cleat - Item # 106726 --
{{data.quantity}} each.
Wooden Headboard (approx. 1” x 2” x width of shade) & mounting screws
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