This design is inspired by Jackie Stewart's final world champion title in 1973.
Jackie had won the F1 world championship in 1971, came second in 1972 and then won again in 1973 in the Tyrrell-Ford 006. Formal numbering of cars based on constructors performance came into effect during the season, the car that Stewart drove started the season as a 3.
That year he won the Grand Prix's in Kyalami, Zolder, Monaco, Zandvoort, and Nurburgring but did not race in the final event - the USA Grand Prix. He and Tyrrell withdrew from that race after their other driver Francois Cevert died in the practice session. It was after that tragic event that Jackie decided to end his F1 career.