How to make an American knife Have you ever wanted to make a homemade knife? The first step in making a knife is finding the metal. Yes, any metal can work, but you don't want something too hard or too soft. If it is too hard, when you have to cut it it will take a long time and you will break your cutting supplies. If it's too soft, you'll have to heat it a lot and cool it very quickly with a hose. Once you find the metal, you can begin your design. First you need to draw the drawing on paper or print a drawing. Once you have the correct design, you can either draw it freehand on the metal with a marker or kick pen, or place the paper directly on the metal and scratch the design through the paper until you can see it clearly. You can draw many times but you can't get the metal you cut back. The cut is important, so before you start make sure the design is correct. There are many ways to cut metal. One is a 4-inch grinder with a cut stone. If the metal is thin, you can use a jigsaw with a metal blade. There are only a couple but there are many more...