Student's work appear as red cubes

This address is the second open class with Delightex. During the first open class, Delightex homepage was timed out and was unreachable. In this second open class, the objects in the student’s work appear as red cubes.

https://youtu.be/QtqzjidMoRY?si=Jhh9S_-Vxsata6Kh&t=1590 (26:30)