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mikesinvention... Making Cone shapes can be Frustrating. This video shows you how to lay out your flat pattern so that you can wrap your own frustums. (frustra? Frustrices, Frustri, frustum...) Need to make a traffic cone, cyclonic dust separator, conical nozzle, rocket body part, air duct, horn, siren, lamp shade, and other similarly shaped item? Well then, a frustum is what you need. I'll show you how. A frustrum is a truncated cone that can be flat-wrapped from any flexible material, like paper or sheet metal. They're found everywhere, and knowing how to make your own makes you a better person. Since you've read this far, I'll give you some help. You can download an Excel file that I made and will do all this for you.
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