In learning to see spheres, boxes, and cylinders, we focused on seeing the corners of forms and used these basic visual tools to help us see the orientation of the forms in space and to draw them.

• 在学习方面看，盒，圆筒，我们的重点是看到了各种形式的角落，用这些基本的可视化工具，帮助我们看到在空间的形式方向和提醒他们。