... could find was 4mm in diameter, to big perhaps? This is how i cut out the sections where the flanges are going in, with a guide to hold it into place. For cutting depth i use the lines of the multiplex sheet, this is with the first saw blade. 3669_261039_300000001.jpg The second saw blade i use is a much finer one with no corned teeth, just flat teeth and hand work To cut out the slots for the aluminium strip and trim the edges i use a jig and my jig saw: 3669_261039_290000000.jpg I can make a frog within 10 minutes with this method. But would be the frog any good, that is troubling me, before i am going to cut up some good material for the bin or derail a expensive live steamer. Please look for mistakes or improvements and tell me your thoughts and ideas about my frogs. This is just "training" material in the picture not the hard uv resistant, hammer proof, extruded pvc. For your convenience: 3669_251227_450000004.jpg 3669_251227_430000002.jpg 3669_251227_440000003.jpg Yes i am dead serious about designing and ...