March 1, 2010 | By Gerald Davis
Working on a design for a Shashlik Grill,columnist Gerald Davis provides guidance so that the designer ends up with a design that allows him to explore various changes to the size of the overall product while having the component parts stretch or shrink automatically
January 15, 2010 | By Gerald Davis
Gerald Davis begins this year with a series of product development case studies, taking an idea and creating the virtual model of it.For this first installment, Davis designs a barbecue grill.
September 23, 2009 | By Gerald Davis
The most important role of a CAD operator is to verify that the design can be flattened. Columnist Gerald Davis provides some guidance on that subject.
July 1, 2009 | By Gerald Davis
A reader has a question about modeling an assembly comprised of three plates and tubing. Columnist Gerald Davis provides guidance.
June 1, 2009 | By Gerald Davis
The most important output from a CAD system is the bill of material. Columnist Gerald Davis gives us an idea of just how much detail should go into creating a BOM.
May 1, 2009 | By Gerald Davis
Leaning to use the loft tool in 3-D CAD modeling takes some work, but it can come in handy in certain circumstances.
April 1, 2009 | By Gerald Davis
Like an extrude or revolve, a sweep is a tool for modeling a 3-D shape. A sweep consists of three basic elements—a profile, a path, and a set of rules for "sweeping" the profile along the path. A sweep can be a powerful tool when modeling 3-D shapes, according to columnist Gerald Davis.
March 1, 2009 | By Gerald Davis
Among the tools in the 3-D CAD toolkit—extrudes, revolves, sweeps, and lofts—the first two can be used to create identical parts, but they don't work the same way. Depending on which process you choose, the time the computer needs to model and rebuild the part can vary substantially.
February 1, 2009 | By Gerald Davis
Columnist Gerald Davis explains that preparing a 3-D CAD model without dimensions may look great, but it doesn't really do anybody any good. For example, a 3-D CAD model with dimensions helps quality control inspectors.
January 1, 2009 | By Gerald Davis
Columnist Gerald Davis describes different approaches to sketching in a 3-D environment.
December 1, 2008 | By Gerald Davis
Columnist Gerald Davis describes the benefits of working with 3-D CAD assemblies.
November 1, 2008 | By Gerald Davis
Columnist Gerald Davis discusses the importance of delivering a clear illustration and how it can make an impact on the final fabricated product.
October 1, 2008 | By Gerald Davis
Columnist Gerald Davis delves into why top-down design might be useful when modeling a metal fabrication in 3-D CAD.
September 1, 2008 | By Gerald Davis
Columnist Gerald Davis asks his fabricating readers if they know what it truly takes to keep up a fully functioning 3-D CAD software system.
August 1, 2008 | By Gerald Davis
Columnist Gerald Davis believes it's a shame when a shop doesn't use its 3-D CAD software to its fullest potential. That's why he takes the reader through a modeling tutorial.