You can quickly change the size of appearance for a matrix model.
Display entirely in the visible area
Procedure
Activate the View tab bar.
Click Fit to window.
Zoom in/out in 10 % increments
Procedure
Activate the View tab bar.
Click Zoom in. The model display is enlarged in 10% increments in the range from 50% to 200%.
Click Zoom out. The model display is reduced in 10% increments in the range from 50% to 200%.
Display full size (100%)
Procedure
Activate the View tab bar.
Click Original size.