This can be a useful technique, I use from time to time for small mesh object that will be repeated though out the mesh...... like clips and stuff or also very useful with blades and sharp objects as well.
Smoothing / dividing using Smoothing Groups as apposed to supporting edges to avoid heavy mesh density on edges. This is to have better poly dispersion across mesh, lower polygon counts for Zbrush.
hope it helps :]
1 - Showing Cylinder001 supporting edges and Cylinder002 with no supporting edges
2 - Adding Smoothing Groups to Cylinder002
3 - Adding TurboSmooth with Smoothing groups checked to Cylinder002
4 - Uncheck Isoline display
5 - Import into Zbrush and reconstruct mesh if needed
6 - Cylinder001 and Cylinder002 divided 6 times - showing differences
woot! been doing this for a while now but nice to see some others doing it too :)
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