Halo to everything,
Yeep, Zsurf is a good tool for bassrelief and bendcommand.
I also thinks, for bend is still too early, very important it is edge_select_command (edgeloop,edgering,edge+ -),
without edgecommand, modelling is expenditure-braked.
Rudi, in the picture sees combination between Blend+HideCommand.

You must turn writings in Zsurf :
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