>>2831418I am by no means an expert at this, but you could try doing some block merging. It looks crazy but it's pretty straightforward and you can do things like take the style from one model and add the composition of another model, etc.
https://rentry.org/BlockMergeExplained#what-do-i-need-to-get-startedWhenever you have some free time you can try it out.