Model, Scissor Staircase (2006) - Andrew Lee King Fun & Associates Architects Limited | Objects | M+,A Closer Look at MoMA's Signature Circulation Element | 2019-12-02 | Architectural Record,Red Stag CLT Stairs by Red Stag TimberLab – EBOSS,Straight staircase - JUILLIARD - A. Zahner - metal step / metal frame / for commercial buildings