How to maximise residential space with built-in structures

S40 Residence in Bangkok, Thailand, by Invoke, also uses differentiating colours to separate its living area and hallway, but goes one step further by subtly disguising a built-in storage area next to the mounted television through extension of a distinct, grey border along the wall. Musc, a renovated apartment in Paris by PAREIL, directly connects a built-in cabinet with vertical planks of the same material that act as a clever desk extension.