Gather Ratio Workshop
Sewing / Practical workbench

Worked examples

Three reproducible scenarios, with the complete inputs and calculated outputs.

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Worked scenario

Base example

Attachment edge length is 140 cm. All other inputs remain at the base values.

InputValueUnit
Attachment edge length140cm
Gather ratio2times
Finished ruffle depth12cm
Total height allowance3cm
Total length allowance5cm
Usable fabric width140cm

Calculated results

ResultValueUnit
Cut strip length285cm
Cut strip height15cm
Width-of-fabric strips3strips
Fabric length required45cm

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Worked scenario

Smaller first input

Attachment edge length is 112 cm. All other inputs remain at the base values.

InputValueUnit
Attachment edge length112cm
Gather ratio2times
Finished ruffle depth12cm
Total height allowance3cm
Total length allowance5cm
Usable fabric width140cm

Calculated results

ResultValueUnit
Cut strip length229cm
Cut strip height15cm
Width-of-fabric strips2strips
Fabric length required30cm

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Worked scenario

Larger first input

Attachment edge length is 168 cm. All other inputs remain at the base values.

InputValueUnit
Attachment edge length168cm
Gather ratio2times
Finished ruffle depth12cm
Total height allowance3cm
Total length allowance5cm
Usable fabric width140cm

Calculated results

ResultValueUnit
Cut strip length341cm
Cut strip height15cm
Width-of-fabric strips3strips
Fabric length required45cm

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Gather a short sample onto a measured edge and choose the ratio by appearance before calculating the full project.