senang bro...ko guna sketchup ...ko download kt www.sketchup.com . ko download & install.....software ni mesra pengguna skit...ko taip sketchup user guide kt google ker...pahtu download user guide tu..ko leh refer instruction mudahnya...klu ko rajin refer & buat..x sapa 3 bln dah terer kot....ko leh join this group klu ko ada facebook....http://www.facebook.com/friends/ ... ;ref=ts...wokehh...