Who to extrude whit a different angle at the bottom so it will be parallel to the bottom?
You can select "vectors" to ch define the direction.Leszek
Thanks for the message!
I think you are asking how to change the edge of the flange.
When you are in the flange manager you can select the Edit Flange Profile button shown below.
This will bring up the Profile Sketch dialog shown below. Drag it out of the way and select the edge you want to have parallel. you will need to delete the constraint and you can then apply what ever angle you desire. In this mode you can make any edits to the flange profile you desire including deleting an edge and creating different geometry. The edge of the flange can also be dragged back from the edge of the parent surface if desired.
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