Non - uniform offsets to 2d surface

[Sri_Hari]

hello all
I’m getting non-uniform offsets, one offset going inside and one offset coming outside, I want to create an offset uniformly that can go in or out. can anyone help me with this please

offset doubt.gh (7.5 KB)
offset doubt.3dm (55.3 KB)

[Rajeev2 (Rajeev)]

[Sri_Hari]

ofst.gh (3.4 KB)
ofst.3dm (314.6 KB)

Hi Rajeev, thank you for answering my doubt, ur solution is working but in some cases, its again happening, could you please look into it?

[saeed_hasan_zadeh (saeed)]

Hi
P.S:better to avoid such situation in brep normals.
ofst_001.gh (110.0 KB)