Question about shaded areas in Fusion

[TinWhisperer]

@TomWS

look for white dots instead of black dots at the vertices.

@RunsWithScissors toggle on Points on the sketch palette so you can see them.

If the problem runs deeper try the Divide the Conquer method to find the flaw

Fusion 360 question I'm not sure what to ask - attempted explanation inside

I’ll live stream a walkthrough on how in find your broken sketch line. Autodesk Fusion’s Divide and Conquer Method is very effective at finding Broken Sketch lines. File from video 66tunnel1 v2 v1 v1 tin mod v1.f3d (3.0 MB) [66tunnel1 v2 v1 v1]