OpenSCAD. The way CAD should be (if you like code).

 Ok, it is a cop-out. But, I found the CAD solution I will be using. And spoiler alert, it is OpenSCAD.

I like learning new things. But, what I learned while working with other CAD programs is that a lot of CAD problems lend themselves more to scripting than a typical CAD program. In fact, it seems that just about anyone working with CAD already abandons the UI for just about everything anyway except for viewing the model. I mean, you can't trust a mouse for even a simple task that placing or orienting an object accurately.

And then, even the visual tools, if they're relied on for anything more than a cursory glance won't really tell you if two object are flush. You would again need to rely on something else to assist.

I also assume that there are tools for this sort of thing. But I can run a for loop on OpenSCAD and automate repeated tasks in a calculated fashion. For instance, to save on filament, I wanted to carve out air vents in the bottom of a case I was designing. I simply plugged in some calculation values in a for loop and presto! Identical, evenly spaced cuboids I could use to cut out of the main body. A thing of beauty.