How can I mapping of this subd object?

as topic, thank you very much!

may need an update? Custom mapping working here on my machine-

Work In Progress
(7.0.20176.2235, 6/24/2020)

Rhino 7 SR0 2020-5-26 (7.0.20147.12475)

oh. no… I work on Window 7… :disappointed_relieved:

sorry… v7 rhino only and that only runs on win 10.

you can (and will want to) upgrade for free to win 10 here: