Office chair Quarterback from Sedus (http://www.sedus.com/de/produkte/details/quarterback/). Presents 3 options and 2 back execution option armrests. Finishes Seat and backrest: fabric or leather. In the scene elements which are arranged in several different ways grouped and ranked in increments of 1000mm. In order to gather the desired combination you must set the value of a selected group of y coordinates equal to 0 and delete (move) the current version (backrest seat and armrests). With .obj little h