On my hinge part I want to copy the boss extrude 2 and lpattern1, but make it opposite and put it on the door part. I want the door to fit into the hinge. Copying to the clipboard doesn't seem to work.
Copying and pasting features generally does not work well in SW. Sometimes you can get away with copy/pasting a sketch and fixing some constraints/dimensions, but the feature will need to be recreated. In this case it's such a simple feature that it's not even worth copying.
Also, if you're trying to create a realistic hinge, it would probably be similar to a door hinge. To do this, you would need to modify your hinge so that 2 of the same part will fit together if circularly patterned 180deg, i.e. each extruded hole needs to be L/4 long and spaced L/4 away from each other. Then, that hinge can be bolted to your door through some simple threaded and thru holes.
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