Fárám https://www.google.cz/#hl=cs&sclient=psy-ab&q=goog le+sketchup&oq=google+s&gs_l=hp.3.1.0l4.894.2295.0 .4110.8.8.0.0.0.0.246.761.6j1j1.8.0...0.0...1c.1.5 .psy-ab.ZkRMV4a72QE&pbx=1&bav=on.2,or.r_cp.r_qf.&b vm=bv.43287494,d.Yms&fp=dbc762a8713c0f92&biw=1280& bih=899
Velice jednoduché v tom modelovat.