Offset Problem

@sumuk wrote:

Hi, Greetings! I wanted to offset a curve (which is a 2d curve represented in 3d).

image.png1046×646 7.22 KB

The length of offset is -30 mm

[Expected curves] The offset curve i expect is,

image.png1138×613 4.28 KB

[Reality]The offset i am getting is,

image.png1027×594 3.84 KB

Can you suggest me some Rhinoscriptsyntax’s function that does my job, The code and the cad file i am using is attached below.

Thanks in advance

Please Note: I am using Rhino for Windows and I am using Rhino python (rhinoscriptsyntex) for my code.

import rhinoscriptsyntax as rs

id = rs.ObjectsByName("Sketch.1")
direction = (0,0,0)
distance = -30
rs.OffsetCurve(id, direction, distance)

offset_problem.stp (3.8 KB)

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