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Chefs create recipes. Hardware Engineers create BOMs (Bill of Materials) and SOPs (Standard Operating Procedures). The BOM is an ingredient list for building your product, and the SOP is the set of instructions on how to build it. In this article, we’ll explain how to construct an excellent ingredients list that will help you clearly […]
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The advent of 3D printable transparent materials has opened doors to new possibilities with rapid prototyping for optical applications. Now, we can consider how to use and manipulate light with 3D printed parts. Light pipes, sometimes referred to as light guides or light tubes, are physical components used to purposefully redirect or transport light from […]
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Friction is one of the five contact forces along with tension, spring force, normal force, and air resistance. Friction is what gives us traction on the road, good brakes, and allows us to walk without looking like a baby giraffe. But sometimes we just want to let things slide, and that’s when friction frustrates — […]
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Threaded fasteners, such as bolts and nuts, are used in many applications, ranging from plastic toys to massive bridges. And all threaded fastener connections need to stay together when we want them to, but also come apart when needed. For example, the valve covers on an engine must remain in place while driving, but we […]
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Designing products for load bearing applications is a complex and multifaceted task, so it’s important for a designer to have a “toolbox” of techniques that improve design quality. Designing for part stiffness through geometric controls is one of these important tools. While part stiffness can be modified with geometry, material stiffness is a property of […]
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3D printing, an additive manufacturing process, has made its way into almost every industry. From automotive to fashion, it has improved the way companies in a variety of fields do new product development. However, long before 3D printing revolutionized prototyping, CNC (computer numerical control) machining dominated the manufacturing world. If your job is to design […]
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While different electric motors serve vastly different purposes, their core function remains the same—to convert electrical energy into mechanical energy. Motors are the opposite of generators, because they convert electrical energy into mechanical energy, while generators convert another form of energy into electricity (you can see a huge deconstructed generator undergoing maintenance at the Hoover […]
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We get a lot of questions about the best methods for fastening different 3D printed components. When prototyping hardware products — like electronics enclosures or robotic assemblies — you often need to design mating structures that are more complex than a single 3D printed component. Other times, you may need to print components larger than […]
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“Perfection is achieved not when there Is nothing more to add, but when there is nothing left to take away” – Antoine de Saint-Exupery Your day isn’t going well when your boss quotes a French novelist at you. In this case, my design was rejected because my boss thought that it wasn’t “elegant”… What? Days […]
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There are a lot of CAD (computer-aided design) file types out there, each with its own names, formats, and parameters. From STEP files to STL files, to IGES and more, it can be difficult to differentiate between them. This article will help you understand the difference between these file types, and which are best for uploading […]
