At the left end of the table, make copies of the clamp and pin.
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Hold down Ctrl and drag clamp<1> from the FeatureManager design tree into the graphics area.
Another clamp appears in the graphics area, and
clamp<2> appears in the FeatureManager design tree. The
<2> notation indicates the second instance of this part in the assembly.

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Repeat step 1 to create a copy of pin<1>.