3Ds Max - Substitute
Substitute
The substitute modifier let you quickly replace one or more objects with another in the view ports or at render time. The substitute object can be instanced from the current scene or can be referenced from an external file.
Step1: create a teapot and a box.
Fig.123
Step2: Select box and click on modify tab. Then select substitute tool.
Fig. 124
Step3: click on button of pick scene and pick teapot.
Fig.125