chair     first it was to 3d scan the object with 123d catch. from various photos the program developed a 3d mesh which could be imported into rhino. 1 import2 rotatetex_2           this rather imperfect mesh could be used to rebuild the object. first be redrawing the chair with polylines. then create surfaces using sweep command. redraw the legs of the chair and thicken with sweep. apply materials. 3 draw and join polylines5 draw shape w polylines4 set controllpoints           7 sweep 10 catmullclark to soften 11 draw chair legs           12 sweep chair legs 14 add material 13 give legs thickness