Box pleat has a box shape on the front, with parallel creases facing opposite directions – such a simple explanation for a very versatile pleat. You can make single box pleat, double box pleat, ...
An inverted pleat is a box pleat sewn in reverse and a box pleat is a combination of 2 knife pleats made back to back. So it is all in the family of pleats. To put it in simple words, inverse pleats ...