model 1.B

model 1.C

model 1.D

model 1.E

model 2.0 szyba mat

model 2.0 "kratka"

model 2.0 "zebra"

model 2.0 "drabinka"

model 2.0 "kwadraciki"

model 2.0 "falka"

model 3.A

model 3.B

model 3.C

model 4.A

model 4.B