The Dellen Art Museum is located at the corner junction of the Delaware Avenue and Allen Street, Buffalo. The designing of art  is stated for an exploration of distinct art around the world and within the city. As it is located at one of main street, the museum lays its entrance and connecting functions is in direct conversations with the streets, to engage people outside and inside the building. The facade pattern of the museum is designed on front edges, where the ground floor columns are glazed open, connecting the street and museum. While the upper part of connecting facade is enclosed as it has Gallery program which serves the art display in confined space. The form of the building is linear alinged with the site shape and the interior functions are a play of trapezoidal spaces.