SPECIFIED DETAIL DIMENSIONS

Envelope pillow front and back fabric cut — extension at each panel edge scenarios.

How does changing extension at each panel edge affect envelope pillow front and back fabric cut when the other inputs stay fixed?

What this decision changes

The stated allowance, insertion, return or cut loss belongs to a particular physical detail. It must be applied on the same dimensional basis as the finished piece. Method basis: Front = (width + 2 × hem)(height + 2 × hem); each back = (width + 2 × hem)(height/2 + overlap/2 + 2 × hem). Uses an explicitly supplied equal-back-panel pattern; no shrinkage or sewing method is selected.

The focus is supplied extension at each panel edge. All other shared inputs remain fixed for each evaluated range.

Front = (width + 2 × hem)(height + 2 × hem); each back = (width + 2 × hem)(height/2 + overlap/2 + 2 × hem).Envelope Pillow Front and Back Fabric Cut Calculator

Evaluate your supplied alternatives

Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only supplied extension at each panel edge; the other entered values stay fixed.

Display units

Measured plan and product inputs

Usable stock width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Usable stock length

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Your reserved cutting gap

Permitted blank orientation

Supplied extension at each panel edge

Supplied total envelope overlap

Supplied envelope pillow 1

Supplied finished face width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Supplied finished face height

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Identical pillows

Supplied comparison range for supplied extension at each panel edge

Lower supplied comparison value

Upper supplied comparison value

Nine evenly spaced values are evaluated. Whole counts are rounded to distinct integer scenarios. Values between the listed samples are not calculated.

9 evaluated scenarios

Baseline: Sheets for this rectangular allocation — 1 sheet. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated sheets for this rectangular allocation. Horizontal values: supplied extension at each panel edge in m.

Supplied extension at each panel edge	Sheets for this rectangular allocation	Change from baseline	Use this scenario
0.03 m	1 sheet	0 sheets	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.5428 m² Area outside panels including cutting gaps 0.4572 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.03625 m	1 sheet	0 sheets	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.5752688 m² Area outside panels including cutting gaps 0.4247312 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.0425 m	1 sheet	0 sheets	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.608675 m² Area outside panels including cutting gaps 0.391325 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.04875 m	1 sheet	0 sheets	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.6430188 m² Area outside panels including cutting gaps 0.3569812 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.055 m	2 sheets	1 sheet	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.6783 m² Area outside panels including cutting gaps 1.3217 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.06125 m	2 sheets	1 sheet	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.7145188 m² Area outside panels including cutting gaps 1.285481 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.0675 m	2 sheets	1 sheet	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.751675 m² Area outside panels including cutting gaps 1.248325 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.07375 m	2 sheets	1 sheet	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.7897688 m² Area outside panels including cutting gaps 1.210231 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.
0.08 m	2 sheets	1 sheet	Open in calculator Exact quantity breakdown Cut panels 3 Net panel area 0.8288 m² Area outside panels including cutting gaps 1.1712 m² Longest-side-first placement with disjoint rectangular remainder regions and reserved cutting gaps. Feasible allocation, not a guaranteed minimum or machine cutting procedure.

Read the evaluated results

Compare finished demand with stock consumption. Some detail changes reduce useful cover or alter full-blank fit rather than simply adding proportional material.

Replace every illustrative baseline measurement and selected product value with the inputs for your actual task.
Enter a comparison range on the focused input's stated unit and quantity basis.
Review rejected combinations and use the exact detail lines to distinguish measured demand from whole purchases.
Open an evaluated scenario in the full calculator to save its original inputs and quantity breakdown to a browser material project.

Keep the comparison within scope

These are comparisons of already supplied details; the analysis does not choose joint, seam, fitting or installation requirements.

Uses an explicitly supplied equal-back-panel pattern; no shrinkage or sewing method is selected.

Only the listed samples are evaluated. Intermediate values, alternate constraints and global cutting optimality are not inferred from the graph.

Continue with this quantity method

Envelope Pillow Front and Back Fabric Cut Calculator

Prepare the actual material data

Read the measurement and purchase guides

Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.