Architects, engineers, and graphic artists make different types of drawings, but they all have one thing in common, which is that they all use drafting machines. Drafting machines are useful for many different types of drawings, as they allow the user to draw exact angles, as well as parallel and orthogonal lines. The protractor head moves across the drawing and can attach vertically or horizontally, so you can perfectly adjust it to best meet your needs. The right kind of protractor head can turn almost any flat table or drawing board into a drafting machine, as it features clamp-on protractor arms and drafting machine scales. This means that you can quickly and easily create your own drafting machine, without needing to purchase computer software. Many models are also high-quality and durable, as the arms are typically made of strong steel tubing. Protractor arm sizes vary, with many measuring between 15 and 24 inches long, so you can find a size that fits your table. With the large selection of drafting machines available on eBay, you can find the right machine for your purposes.
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