Hey Tom,
Set your cutting plane and/or planes using "3d Cutting Planes..." and "3d Cut Away" under "Image" in the menu bar. Hidden Line render for the black and white.
How's the surf?
Ted Taylor
Atlanta, GA , USA
iMac (Retina 5K, 27", Late 2015)
3.3 GHz Intel Core i5 32GB
AMD Radeon R9 M395 2GB
OS10.14.2,
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