Clearly some of the odder chocolate and sand-based 3D printers are still in the experimental project stage and who knows what they'll cost when and if they're commercialized. But there are a growing number of 3D printers available for pretty cheap, that is starting around $1,500. We recently wrote about one such example, and my guess is we'll be seeing much more on this front moving forward.
Linear guides are one of the most important components required for the design of automated or computer-controlled equipment. Aluminum profile extrusions, used for these guides, can enable designed-in functional features.
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