how to do merge inheritance of a surface type hollow iges model ?

i have a .iges model of a component and i have to cut a block according to its surface. but when i use merge inheritance (cut) to the block it shows error report as shows in the attachment .
kindly suggest me is there any assembly constant error or anything else.
also i need the process how i can make a cut out same as the component body.

1 Answer

For Cut out operation in Merge inheritance, both parts must be in same format i.e. solids or surface.

From your model it seems base part is solid whereas other part is in surface.

To complete the process you need to solidy the other part too.