Parametric (sort of) barebone tubular bracket

Nothing similar on thinngiverse already (which is strage).
I started going for the bevel-y round-y nice look, but it wouldn't fly at all with the printing needs for such a structural object, so I redesigned it with all the edges in place.
You are obviously supposed to print it (a couple of them obviously) lying on the side, for ease of printing and maximum final strength.

Also, I think you should add any kind of attachment to it first, otherwise it's pretty useless.

The "parametric" thin