Worked exampleExported from Calvance
3D Printing Material & Electricity
Use filament weight and print duration from your slicer to estimate material and electricity costs separately, then add the two expenses.
View template and methodCurtain Fullness & Quote
Compare curtain and sheer fullness with separate ratios, per-metre prices, track cost and fixed charges. A reusable quote model with a worked example.
Worked exampleExported from Calvance
Exported by the iOS App After importing, edit the numbers in Calvance.
When to use it
Use this when a supplier has agreed to price one curtain-and-sheer set by flat horizontal width. The English example uses metres and simulated USD prices. Both layers cover the same 3 m span; width is for the whole set, not each panel. This is a quote worksheet, not a sewing or cutting calculator.
Inputs
USD
| Inputs | Default |
|---|---|
| Track width (m) | 3 |
| Curtain fold | 2 |
| Curtain (USD/m) | 25 |
| Sheer fold | 2.5 |
| Sheer (USD/m) | 12 |
| Track (USD/m) | 18 |
| Fixed fees (USD) | 60 |
Calculation method
Each layer’s chargeable width = track width × its own fullness multiplier. Multiply that width by its agreed price per metre. Add track width × track price and the fixed charges once. A multiplier of 2 means twice the track width, not an extra 200%. The two layers have independent multipliers.
3 [Track width m] × 2 [Curtain fold] → Curtain width m
Track width m × 2.5 [Sheer fold] → Sheer width m
Curtain width m × 25 [Curtain USD/m] → Curtain fee USD
Sheer width m × 12 [Sheer USD/m] → Sheer fee USD
Track width m × 18 [Track USD/m] → Track fee USD
Curtain fee USD + Sheer fee USD + Track fee USD + 60 [Fixed fees USD] → Quote total USD
Change one input
Change curtain fullness from 2 to 1.8. Only curtain width, curtain charge and the total change; the sheer and track charges stay fixed.
| Result | Default | Changed |
|---|---|---|
| Curtain width (m) | 6 | 5.4 |
| Sheer width (m) | 7.5 | 7.5 |
| Curtain fee (USD) | 150 | 135 |
| Sheer fee (USD) | 90 | 90 |
| Track fee (USD) | 54 | 54 |
| Quote total (USD) | 354 | 339 |
Results are displayed to at most two decimal places; later formulas use unrounded values.
Scope and limits
- Simulated metric quote; confirm the supplier’s pricing basis.
- Widths are totals across all panels in one set.
- Not a fabric cutting or purchasing calculation.
Track width must be positive; fullness at least 1; prices and fixed charges nonnegative. Height, fabric roll width, seams, pattern matching and cutting waste are not modelled. Include only agreed fixed extras; taxes and discounts are not calculated separately. Do not use this for a quote based on square metres or ready-made pairs. Results use unrounded widths, with no automatic purchase rounding. If separate tracks are charged for the two layers, enter their combined price per metre in the track input.
Download and import into Calvance to edit the numbers. The canvas does not reject every invalid input; check the stated ranges.
Common questions
Should curtains and sheers use the same ratio?
Not necessarily. Heading style and material affect the specification; Dunelm’s FAQ describes fullness by heading. Enter the ratios confirmed for your order.
Can I use the result to buy fabric?
No. Cutting needs height, usable roll width, pattern repeat and construction allowances. The calculated width only supports the agreed quote method.
How to import your template
We recommend using the latest version of Calvance.
- Save the file. Choose Download template and save the .calvx file to Files on your iPhone or iPad. From a computer, you can send it to your device with AirDrop.
- Open Import. In All Canvases in Calvance, tap the add button to open the template screen, then choose Import.
- Choose the file. Select the saved .calvx file to create your own canvas. Importing uses one canvas from your allowance.
- Edit and check. Check the results against the worked example, then add your numbers. Duplicate the canvas to keep different versions.
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