k_structural 2
k_shear 1
k_bend 1
damping 0.05

provot_structural_correction 0.1
provot_shear_correction 0.1

m 21 21

p 0 0 0
p 10 0 0 
p 10 0 10
p 0 0 10

fabric_weight 0.1

f 5 5     2.5 0 2.5
f 5 15    2.5 0 7.5
f 15 5    7.5 0 2.5
f 15 15   7.5 0 7.5


