Metal 3D Printing and Framebuilding

Can anyone commenting on printing with aluminum compared to titanium? I have more experience with aluminum in general so was leaning towards that, but looking here it seems titanium is more common. And brands like the Atherton bikes have 3d printed titanium lugs on the expensive bikes and CNCd aluminum lugs on the “cheaper” bikes.

I was looking to use aluminum pipes and aluminum lugs for a front triangle (see my topic here: Is it feasible to build a bonded aluminum frame?), my first thought was to order them CNCd but printing seems to be cheaper and easier to prototype with plastic so trying to learn about that now