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Sheet Metal Guy Introduces Ductwork Calculators

Cincinnati, OH, March 1, 2007Sheet Metal Guy, LLC announced today two web calculators to help sheet metal designers develop transitions and cones. The calculators create DXF files that include a 3D wireframe model as well as the flat pattern. The file may then be imported into any CAD program which has DXF capabilities, like AutoCAD, SolidWorks, Solid Edge, and Inventor.

square to round transitionUsing the ductwork transition tools, you can compute any standard rectangle (square) to round transition, or any cone transition. The 3D geometry is placed on a separate layer from the flat pattern layout making it easy for you to work with the results. A Rectangle (Square) to Round Transition can be produced by entering the diameter of the round, the length and width of the rectangle, and the height of the transition. A Cone Transition can be produced by entering the diameter of the top and the bottom, as well as the height of the cone. The flat layouts are automatically generated.


Now any manufacturer can produce flat pattern layouts for these transitional 3D shapes in minutes instead of hours, without having to manually calculate using trigonometry.

About Sheet Metal Guy, LLC
Sheet Metal Guy, LLC, located in Cincinnati, OH, was formed to
help increase the productivity of sheet metal fabrication designers and manufacturers through education. As a publisher of books and other materials, the company's primary focus is to provide high quality, cost effective training for the design and manufacture of sheet metal parts and assemblies. Sheet Metal Guy, LLC is focused on designing easy to understand, self-paced training books for all knowledge levels of 3D CAD software users. Additional company and product information is available on the company’s Web site,

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