I’m trying to connect the 3 recesses like in the top left corner. Strangely enough, the top left worked, but I can’t figure out how I did it. Tried just about all options. Who has the solution?
The shapes must overlap for subtract to work. If they are perfectly aligned, it’s a crapshoot. Sometimes it works, sometimes it doesn’t. Edit the smaller shapes & make them overlap…
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Thanks Tod, that did the trick (and it could have saved me at least 2 hrs when i would have asked sooner) 
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