Tài liệu tham khảo bằng tiếng Anh về hội họa - Norling Perspective Made Easy - Phần 7 | STEP SEVEN SHOWING HOW THE VANISHING POINTS MOVE IN RELATIONSHIP TO ONE ANOTHER DIRECTIONS OF VANISHING POINTS Stand in front of a cube a brick or a building and point arm s length in the direction parallel with one side of the cube. Let us assume that you are pointing toward the east. Now then the adjoining side of the cube runs northward. Point in that direction with the other hand. You are now pointing at the two vanishing points of the cube. Your two arms form a square corner right angle . If the cube is turned the vanishing points will change .
