I thought when gussets first came out, the flat patterns would show deformation features like gussets. For the life of me, i can not get our flats to show special features on the flats.
I can confirm that a gusset is not shown in flat pattern, also not in 3D PSM file.
What You will see are all the other formed features like dimples, etc.
But this also is true only if that option is turned on:
Yes, gusset will not be shown on part after flattening part. I suggest using etch to show gusset position.
Here is a video about steps: