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transform { scale <20,24,28> translate y*3 inverse }
An inverse transform does the opposite of what the transform would
normally do, and can be used to "undo" transforms without messing
around with huge numbers of transformations. To do the same without this
inverse, you would have to duplicate each transform, change
them to do the opposite of what they would normally do (for example
translate -y*3 instead of translate y*3)and
reverse their order.
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