I’m having trouble using the MakeHole command in Rhino 5.x on Mac OS 10.14.6.
I am prompted to select a planar curve. I select the closed curve, then hit enter. The program then exits this command and states “No valid curve selected” on the bottom command line, even though it’s a closed curve. It does not prompt me to select a surface.
I can post a link to download the file if that would help.