I put the parts together for my TB3 rocket homage to Thunderbird 3 a few nights ago.
Since angles were not perfect, since my tab-and-slot modeling wasn’t designed (yet) to fit snugly and form perfect angles, some pieces weren’t a perfect fit after gluing, so I had to Dremel down some connections, I’m very happy with the result:
Here, again, is the concept, so you can see how closely I got to it. (Remember, the numbers will not be printed.)
From these parts: