You can define a parting surface from a pulling direction and a shape (surfaces).
Parting Surface proposes diagnosis and edition tools to quickly
create the parting surface.
Click Play to watch the video:
From the Molded Part section in the action bar, click Parting Surface.
The main pulling direction is automatically selected.
Select an edge of the part.
The analysis of the outline is started. Planar edges are displayed in
blue.
Click Automatic Profiles Creation.
Profiles are created on the discontinuity vertices.
Click Automatic Parting Surface Creation.
The parting surface is created wherever possible.
Select the two edges of the missing part of the parting surface and select
Create a Fill from the list in the context toolbar.
.
The main pulling direction is automatically selected.