Move - Make a basic rectangular object with a notch and using the Move command change the location of the object in the modeling space.
Copy - Using the Copy command or tool make multiple copies of your object.
Rotate - Using the Rotate command or tool revolve your object in top view. Then make a copy of the rotated object and rotate it in the side or front view to position it on o corner.
Scale - Use the Scale command to tool to make the object twice and 1/2 the original size.
Mirror - Use the mirror tool to position an identical copy of the object next to itself.