Scratch

Project Notes

Press the green flag
3D Umbrella H.Whitney
***********************
Press Show sliders
You can choose : FieldOfView
Tilt up and down
CamZ
Rotate and other parameters.
Press the green flag
************************
Hint : A=2;B=1 ;C=1 CamZ=6 FV=14
Choose T=0 R=0 simple.
Change T=20 good.
Change T=40.Change R=40.
Enjoy.
*************************
Credit : AddZero
Hassler Whitney (1907–1989) was an American mathematician. He was one of the founders of singularity theory.