3Ds Max - Mirror
Mirror
The mirror tool also allows you to mirror the current selection about the centre of the current coordinate system. You can create a clone with the mirror dialog at the same time. If you want to mirror a hierarchical linkage, you have the option to mirror the IK limits. Use mirror tools to copy the inverse shape of the objects.
Step1: create any object, as you want.
Fig.55
Step2: Click on modify tab and select mirror tool.
Fig.56
Step3: Select mirror axis and copy option.
Fig.57
Step4: Click on flip arrow of mirror option then select mirror centre option.
Fig.58
Step5: After that, click on move tool then drag X-axis.
Fig.59