Boolean difference

 From:  Michael Gibson
8249.22 In reply to 8249.20 
Hi Gunter,

> I scaled the middle edge smaller but now the recess is all around the object rather than
> only the sides of the triangle which is where I would like them!

Can you please post the 3DM model file for this problem? It's very difficult to figure out what's going on just from a written description.

- Michael