Sketch 6 won't extrude like it's supposed to in a tooling split. What's wrong this time?
You neglected to create a "Parting Line" feature...which, ideally, should be created before the "Parting Surface" feature. The "Parting Line" feature creates the cavity surface bodies and the core surface bodies, which the "Tooling Split" feature will need in order to work for you.
yeah a quick glance at the image attached will tell you your problem. should always have at least 3 surface bodies if you are going to use the SW split tool.
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