The main constraint for the rocket's design was that, at the time we began working on it, we were unsure what the final design of the carbon capture device would be. Therefore, we decided that the rocket should be able to carry the maximum size of the device as defined by the size of the printing area, which is 150 millimeters by 140 millimeters by 100 millimeters. Designing the rest of the rocket was relatively simple, and we realized that a smaller first stage would not bring the center of mass back very far during the first portion of the flight, so we were able to save mass on fins by designing the first stage just to give the rocket a bit of upward velocity before the larger upper stages took over.