Fig. 4From: Development and evaluation of a facile mesh-to-surface tool for customised wheelchair cushionsThe correct orientation setting to begin the Grasshopper scan-to-CAD process. The Grasshopper program requires the user to orient the model such that the surface that conforms to the user can be seen in the XY-plane and that the front of the seat cushion or the bottom of the back support runs parallel to the Y-axisBack to article page