MRAMeshOrbitalPlot3D: better dox+usability (i.e., thicker default edg… #1435

Job	Run time
macos-latest: clang++ Release Threads	12m 11s
macos-latest: clang++ Release OneTBB	4m 2s
macos-latest: clang++ Release PaRSEC	3m 25s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	28m 11s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	2m 24s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	3m 4s
macos-latest: clang++ Debug Threads	16m 12s
macos-latest: clang++ Debug OneTBB	3m 30s
macos-latest: clang++ Debug PaRSEC	4m 39s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	25m 18s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	2m 21s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	2m 46s
	1h 48m 3s

Provide feedback