Shrink Ruler, Metric

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An innovative way to measure the shrinkage of your clay. Works great when making replacement lids for a casserole dish that has been bisque fired. Has 4 clay shrinkage percentages to aid in matching lids to bowls etc.

How to Use Your Shrink Ruler

1. To replace a lid for a casserole dish that has been bisque fired, measure the casserole with a regular ruler. Using that same measurement measure your wet clay with the Shrink Rule on the side with the closest shrinkage to yours.
2. To replace a lid for a casserole dish that has been glaze fired, measure the casserole with a regular ruler. Using the same measurement, measure your wet clay with the Shrink Rule on the side with the closest shrinkage rate to yours.
3. If you want a piece to measure 20cm after 12% shrinkage, use the 12% scale on your Shrink Rule to measure 20cm on the wet clay.

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