I'd encourage you to give Inkscape a try before you give up on DIY design. It's pretty enjoyable.
See here &
here &
here. I don't have training in design but with the feedback from this forum, I was able to put together something I ended up being pretty happy with. (I've only produced the cash set -- with labels from
@Gear and Paulson solids from
@allforcharity; the other attempts were for my own amusement).
I've also created a chip designer. Not sure if that's useful to you --
view here.
In any case, good luck!