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#3) Full inner thighs: start with the same alteration as #2 but make several parallel cuts up the inner thigh portion, then pull the top part out so that the gap is almost parallel all the way up the leg. The cut flaps should overlap a little at the top.
Here are all the places I need measurements to make a pair of perfectly fitting tights: Around Waist, Around Hips, Around Thigh, Around Knee, Around calf, Length from Natural Waist to Knee, Natural Waist to ankle, Crotch Length and Crotch Depth aka "rise" (from natural waist)