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I am having a problem with sweep feature at 1% slope spiral.

Question asked by Sohaib Imran on May 8, 2019
Latest reply on May 9, 2019 by Sohaib Imran

I am having a problem with sweep feature, it is like sweep at 1% slope spiral down one step, but the rectangular cross section is twisting weirdly outward. Attached hereby are the model and the pictures of the model. 

I want the cross section to remain straight as it is at the start of the sweep feature until it ends. Can anyone help me out in that? Or know a way to do what I want to do and how to do it?

The .sldprt file is SW2018 version file.