Double Post Frameless When your panels are too large to be supported with one single post, we recommend using a double post structure. Frameless mounts allow panels to be cut-to-shape and mounted on an angle or upright. Double Post Frameless #1 Double Post Frameless #2 Double Post Frameless #3 Single Post Frameless Double Post Frameless Upright Frameless Cantilevered Frameless Cut-to-Shape Panels