7 In the Study toolbar, click Compute.RESULTSIn the Home toolbar, click Add Plot Group and choose 3D Plot Group.Isosurface 11 In the Model Builder window, under Results right-click 3D Plot Group 5 and choose Isosurface. 2 In the Settings window for Isosurface, locate the Expression section.3 In the Expression text field, type s2. 4 In the 3D Plot Group 5 toolbar, click Plot.