I create many view of perspective and export it as PDF.

This lesson teach me how to use bounding box to do a section of a shape

I try to make many shape with Rhinoceros 5.0 program it quite challenge.

First, I put 4 balloon in the tube, then I draw it after that I put 4 more and repeat the step.

The shape above formed by many shape that are given such as rectangle, cube, triangle etc.

I draw a paper while it is folded.

I draw the mapping of paper as it rolls.