With this mould, you can easily mark where the holes in the Biothane should come. The biothane fits exactly, so the mould doesn´t shift when being marked out and the markings are exactly in the right place. The mould also has guiding lines to show where the folds in the Biothane should go. The mould is made of plastic and printed with a 3D printer. Suitable for 9 mm Biothane.
