Interior Design Drafting Kit contains everything needed to complete a redesign or remodeling of a house, condo, or apartment. This interior design drawing kit contains an interior design template, triangle set, protractor, drawing paper, and drawing board (13" x 18.5" for media up to 11" x 17", graduated in inches with graduated scales on side paper clamp. Lockable transparent straightedge and non-slip feet located under the board). Entire set is portable so quick sketches can be made both inside and outdoors! KOH-I-NOOR interior design drawing set, architectural drafting kit.