When the line setting as set wide, in the print out they are not mitered, creating odd gaps.
Windows seems to get it right but not Mac.
Do you have Rhino for Mac 7.1 or newer?
Here, line ends are square on Mac in
PrintDisplay, so if lines are not joined I see what @miano shows - on Windows lines have roundy ends, which fixes that problem. But Print shows the right thing, here. i.e.
PrintDisplay is broken in that respect, but not
Problem Miter.zip (14.0 KB)
Here’s a extract showing it.
Here, the print works as expected,
the PrintPreview mode in Rhino, does not.
Yes, they are rounded in the print but not in the print display.