Bend type :

This area allows you to choose the type of hem / pleat to create : linear or using the face to follow to determine the hem / pleat curve.

Mode :

This box allows you to choose the hem / pleat position in relation to the clicked edge : on the clicked edge or under the clicked edge.

Length parameter :

This parameter correspond to the length of the linear part of the hem / pleat (except bend).

Gap parameter :

This parameter allows to determine the gap between the bend and the face.

Distances parameters :

These parameters allow to fix a distance between the bend extremity and the support edge vertex.