Theron Trowbridge:
2D Projection cut=true
Theron Trowbridge:
2D Projection cut=false
Theron Trowbridge:
2D Projection Higher cut=true
Theron Trowbridge:
2D Projection Higher cut=false
Theron Trowbridge:
3D Cone Conic Section
Theron Trowbridge:
3D Cone Diagonal
Theron Trowbridge:
3D Cone Higher
Theron Trowbridge:
3D Cone Top