To my knowledge, Cadence has not provided yet the size of the pad/thermal relief/antipad feature in the skill directly. Here size need to be calculated from the bounding box. Bounding box contains lower left and upper right corner xy location so simple mathematics applies here. Shape would be CIRCLE ll=car(pad->bBox) ur=cadr(pad->bBox) x1=car(ll) y1=cadr(ll) x2=car(ur) y2=cadr(ur) width=x2-x1 height=y2-y1
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