From top to bottom: Santa hat, pencil sharpener, and winged box (initially a phone but i added wings to it). This was my first time trying the blob approach and had quite some trouble with it. It was difficult for me to imagine my object as ellipses in certain angles. Getting the proportions right with the blob was also a struggle.

Blue: Diminution Red: Convergence Purple: Foreshortening Green: Overlap Yellow: Atmosphere 1. Yusuke Murata Diminution - 4 Convergence - 3 Foreshortening - 4 Overlap - 2 Atmosphere - 3 2. Hajime Isayama Diminution - 5 Convergence - 2 Foreshortening - 4 Overlap - 2 Atmosphere - 2 3. Kim Jung Gi Diminution - 4 Convergence - 5 Foreshortening - 3 Overlap - 5 Atmosphere - 1 4. Ruan Jia Diminution - 5 Convergence - 3 Foreshortening - 1 Overlap - 5 Atmosphere - 2

Examples from demo + my own original illusions