Adding another element of art to the Square Mile City, four large scale sculptures created by Brooklyn sculptor Tom Fruin will be on display in Sinatra Park, Monroe Center Plaza and Church Square Park through March 15. Technicolour, a multi-color art mural that spans 225 foot across and 60-feet high on the west wall of Municipal Garage B on Hudson/2nd, was recently completed. The artist for that project was Michelle Hoogveld, who used more than two dozens colors and 1,510 cans of spray paint to complete the project with her team in about two weeks. The Hoboken Business Alliance and…