s4u_Delete_Instances_Overlap will delete all instances(or new Group) which is overlap its position(in selection or all)
Exchange material Front & Back,Orient Faces in Group,Components
Draw panel by 3 points or select face
Select vertical edges,horizontal edges,length edges or slope edges.Select vertical faces,horizontal faces,slope faces or area faces. Select same length,select same area or select face parallel.
Explode all Groups, Components, Curves in selected Groups or Components to lines and faces.
Select groups or components for scale or push/pull distance(x|y|z).Scale Fix length.Reset scale.