Dear all

I have two part in an assembly, name part 1,part2.  Please see below fig.

now I want to cut part1 use part2 's intersurface. wipe off the part2's inter portion,marked with red circle.

How do I do? any help will be appreciated

cavity is good ,but it  seems only cut part 1 use outsurface

now it seems  cut -use surface can only deal it with. please give me some coad, How can i cut part1 use part2's intersurface Use APi

Thanks

zhengjun yuan