Even the design of an office can be exciting...
In designing them I always look for the most ergonomic solution, without neglecting design.
Montages like these help you to come up with the main concept of the design and simplify communication.
I use computer programs for the preparation of visualisation plans.
Custom design pyramid for a boy
" A pyramid is a structure whose shape is roughly that of a pyramid in the geometric sense" (Wikipedia)
And what about in interior design? Could be a toy. Or a furniture. It needs some imagination, a clever upholsterer and voilà...