Polymer Clay Shrinkage
Calculator

Inputs

Final dimension (mm)
38.8

Results

Final dimension (mm)
38.8
Shrinkage (mm)
1.2

Craft results

Final dimension (mm)38.8
Shrinkage (mm)1.2

formula-map diagram

Final dimension (mm)
38.8
Shrinkage (mm)
1.2

Formula breakdown

Formula

final = raw × (1 − shrinkage %) — illustrative, brand-specific

= 38.8

Note

Simplified model: these are standard craft estimates based on rectangular layouts, quoted gauge and nominal densities. Real fabric nap, directional prints, shrinkage, pattern matching, yarn lots and supplier SAP values vary, so always make a swatch or test piece and buy a little extra.

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