This is an approximation of the WH40K Space marines' land raider. I'll go for imperial fists color once I know how
The initial attempt:
the core hull from dollar tree. I eventually used 3 of it to make a wider hull and a top.
The hull would be great for most 1/18 figures. But since this is space marines, it needed to be wider to make place for treads, headlights, storage, etc.
before priming:
primed: