Architecture sketch House 21

Sketching architecture is probably the easiest way to explore conceptual ideas in the early stages of the project. Also an architectural handmade drawing could be a very powerful way to present early ideas, it captures the warmth and beauty of a craftmanship which is always appreciated by anyone.
this sketch is from the series of house sketches, I hope you enjoy it.

Tools used in this sketch:

11" x 14" Winsor & Newton marker paper
Le pen 0.3 and 0.5 black liners for linework
stylefile markers: W1, W3, W4, W5, W7, N3, N5, N7, N8, N9, 116, 632
graph it markers 7109, 7115
old pantone tria marker 399
Posca white PC-1M marker for highlights