Barbican Phase Two:
Show your work is my motto regardless how sloppy. Never fear this is only the underlayment I build for strength and durability.
https://i.imgur.com/5D4RNcq.jpg
This first image shows what a godsend this defuser lens material is. Had I to make all the interior framing for a model of this size it would probably cost twice as much or be very flimsy. One thing you don't want is a limp Titan.
https://i.imgur.com/dxLSwfl.jpg
The second image shows the corner outcropping structures which are probably too narrow to serve any purpose other than decorative. Were this a stone Barbican it would serve as a buttress for the corner.