How to Make a Spline Jig for Picture Frames and Boxes- corner staples for picture frames free ,This spline jig is a real simple and easy to make jig that rides along your table saw fence and allows you to cut splines in picture frames and boxes. Just u...Picture & Document Frames | staples.caStaples Aluminum Poster Frame, 24" x 36". (26) The Staples 24" x 36" aluminum poster frame is ideal for hanging photos and paintings securely and easily. Ability to hold photos of 11" x 17" or larger. Plastic front to protect poster. $29.99.