Reply To: micro/OAMR system city Home › Forums › All Things LEGO! › micro/OAMR system city › Reply To: micro/OAMR system city March 11, 2014 at 8:33 pm #5582 Greg SchubertParticipant The creator gets an A+ effort, creativity and perseverance on this project. What is the length of one side … 3 x 48?