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Weird bulge in extruded boss on 3d sketch

Question asked by Nick Deeley on Dec 18, 2017
Latest reply on Dec 18, 2017 by Nick Deeley

See attached screenshot for a better explanation.


The lines drawn around where I need the extrude are done in 3D sketch with weldments for the tubing. I've managed to do this before to get an extrude of a few mm thick without any issues, except it was all straight lines and no curve in the glass. This time, there is a slight curve, and it doesn't want to do what I need it to do.


It's essentially a slightly curved windscreen. Are there ways around this problem, or any better ways of modelling a curved windscreen given I already have the base and roof to attach it to?