For example, if you project a surface, then later on come back and change that surface (with a fillet, for example), CATIA will sometimes (often) "lose" those projected elements. While this will allow you to "snap" to an existing feature, sometimes this causes a lot of headaches later on. PC-DMIS 2011 MR1 RE: How do you snap onto objects engibeer (Mechanical)Īlso be careful when using the "project elements" or "intersect elements" while in sketcher. It took me a bit to get used to this but I think it is probably just as fast once you get comfortable with it. You do need to get comfortable with the idea that your geometry will be sitting unconstrained for a longer period of time than it would in other systems because the more efficient workflow tends to front load all of the sketching and backload all of the constraints. As has been previously mentioned, you do not need to project geometry into the sketch first.
To apply a geometric constraint you just right click to reveal the menu with the context appropriate constraints. Once all of your geometry is on the screen you can just double click the dimensional constraint icon to keep it active and apply all of your dimensional and geometric constraints at once without ever leaving the command. It is not as efficient to mix the two as it is in some other systems.
CATIA seems to be set up around a pretty linear workflow where you sketch all of your geometry first and then dimension and apply constraints second.
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