air
speed
120
.
step
rate
fast
medium
slow
sights
Boy
'
s
Costa
cow
cube
of
spheres
helix
Klein
bottle
Kuen
Nobbly
Wobbly
Schwarz
D
torus
trefoil
view
up
fro
nt
ab
o
ve
left
top
rig
ht
do
w
n
rear
be
l
o
w
