Grand Vihara : ISO drawing progress

 I'm working together with  Nammon to make the whole 3d model of past and present of the Grand Vihara.This is the in progress ISO drawing of the Grand Vihara before it was destroyed, while Nammon is doing ruin model. I have base the past appearance of this structure from the book 'THE ART AND MEANING OF WAT PHRA SI SANPHET REPRESENTATION OF WAT IN ROYAL GRAND PALACE' by Wanchai Kaewsaisoon