This is something that we do already but it'd be a nice convienence utility that you could cook into Fusion 360.
Basically it would just be a way to describe things like «this hole is for a screw and we need to be sure that nothing will interfere with that in the assembly up to some stage».
A simple example is that we need to put screws into a handle which lookx something like
(basically just a flat surface with an arch over it)
Those holes have to be placed in such a way that a person or robot can easily insert and tighten them. Not a hugely complicated process but if you're not careful, it's easy to get them too close to the handle in a way that the handle interferes with the tools, and this sort of thing is trivial to fix if caught early in the design process (and moreso if it's codified into the design, itself, as a form of documentation and parameteric control).
All that needs to be added is a way to programatically put in excluded space for tool access (actually also if there were separate from the design timeline, an «assembly» timeline, it'd be amazing if you could just put those constraints and clearances precisely where you need them in the process so if you're building a complex assembly like a car transmission, you could get the assistance in design for manufacture at precisely the stage where you need it).
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