tea service
glasses
corner of a house
triangle
locked triangles
letter “A”
cylinder
triangles
cube
shelves
window
stairs
waterfall
blocks
stacked cubes
steps
triangle variation
a Tamas Farkas Illusion
endless circular staircase
elephant
trees
soldiers
cowboys
pencils
pencils
books
columns
window
terrace
checkerboard
ambiguity
side car
