Circular or Oval Relief cuts in 3D

Is there a way to make a circular or oval shaped bass relief in Easel rather than having to use the rectangular boarder cut out style? Or is this something I would have to do in another program like Blender and then transfer over?

Since nobody has jumped on this, I’ll just say as a non regular user of Easel that simple things could be done, but really a 3d program is probably faster and easier.

VS 3d

archtop

Hi, new fella here. I am having an issue with an stl file. It cuts out the entire object as if it is clearing out a pocket with the entire object. I don’t know how to resolve this.

I wonder if you have any open polysurfaces?