What is the best way to create a collar in a case like this? I think about two ways of making this collar: a) perpendicular to neighbour side walls (or with other specific angle different than 90 degrees); b) parallel to XY plane. What commands do you prefer in a case like this? [image] [imag…

[image] Marcin: So will it have exactly the same final effect when I use both of your methods? I`ve done both but I haven’t seen any difference between them. Use Ribbon. The result is the same as my suggestion.

[image] Marcin: b) - case with collar parallel to XY plane Offset in Top or Perspective view and select the surface edge as the curve to offset. Repeat for each surface. Loft between the surfaces edges and the offset curves. collar_test_DC01.3dm (1.6 MB) [image]

i’d use ribbon command, did you try it? [2023-07-03_13-53] collar_test_ribbon.3dm (649.4 KB)

I’ve known that it exist but I didn’t remember its name. So will it have exactly the same final effect when I use both of your methods? I`ve done both but I haven’t seen any difference between them.

Perpendicular collar

Rhino Rhino for Windows

mdesign (Marcin) July 3, 2023, 10:31am 2

OK. Point a) is solved with Fintools plugin (WISH: "Flange" tool - #25 by pascal).

So please help me with b) - case with collar parallel to XY plane.

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Perpendicular collar

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