Select a room of your apartment/house, place a pencil and a coin at different places on the floor.  Assume these two items are critical items of evidence.  Select two pieces of furniture in the room.  Assume that these are the only two items in the room other than the two items of evidence.  Draw a rough (not finished) sketch of the room including all the elements that should be included in a rough sketch (the two pieces of evidence, two pieces of furniture, doors, and dimensions).  Be sure to use the rectangular or triangulation method to take measurements to pinpoint the items of evidence on the floor..  Include the title block and legend