delicate sequoia
also, this is floor's obj file
# Kostka
v -0.5 -0.5 -0.5
v 0.5 -0.5 -0.5
v 0.5 0.5 -0.5
v -0.5 0.5 -0.5
v -0.5 -0.5 0.5
v 0.5 -0.5 0.5
v 0.5 0.5 0.5
v -0.5 0.5 0.5
vt 0.0 0.0 # left lower
vt 10000.0 0.0 # right lower
vt 0.0 10000.0 # left upper
vt 10000.0 10000.0 # right upper
f 2/2 1/1 3/1
f 4/2 3/1 1/1
f 5/3 6/4 7/3
f 7/3 8/4 5/3
f 2/2 3/1 6/4
f 6/4 3/1 7/3
f 4/2 1/1 5/3
f 4/2 5/3 8/4
f 3/1 4/2 7/3
f 7/3 4/2 8/4
f 1/1 2/2 5/3
f 5/3 2/2 6/4
