Sturdy aluminium collapsible planning frame comes ready to assemble and has pre-drilled holes for planning at scales 1:10, 1:20 and 1:50. It can easily be taken apart for transportation and re-assembled on site. This 1 metre square planning frame has been created to a design that we have used for years and it has proven itself to be robust, lightweight and easy to store. Comes complete with masons line and instructions for assembly and stringing the frame. The frame can be divided into 10cm or 20cm squares.