A material editor dialog box will be open choose compact material editor from here.Press M on the keyboard for Material Editor or click on the Material Editor option, which is present on the top right corner of the working area after selecting the plane.Click anywhere in the area where we have drawn the box in the previous step and drag the mouse pointer to give the length and width of the plane.Again go to the Common Panel, take the Plane command from here by clicking on the Plane tab.I will click anywhere on the grid you can click on the gird or out of the gird to draw your object and drag the mouse pointer to give length and width to the box, left click to leave and then drag the mouse pointer in an upward direction to give the height of the box and right-click to exit from the command.Take the Box command by clicking on the Box tab of the common panel.Click on the Standard Primitive option of the common panel.Now I will make a perspective viewport in full-screen mode by pressing the Alt+W button from the keyboard. I will draw some object for this tutorial in perspective viewports such as Box and Plane you can draw it in any viewport according to you.
We can choose any one of them for drawing our model at any time. There are four viewports working area in 3Ds max that are Top viewport, Front viewport, Left viewport, and the last one is Perspective viewport.