CNC Guide: Best Design Practices for Custom Machined Parts, Part 1 (.PDF Download) What exactly is computer-numerical-controlled (CNC) machining?

[Ian] wrote in to tell us about the Guerilla Guide to CNC Machining and Resin Casting. He came across it in the reference links to another project and says he wish he knew about it a long ti… ...

Despite appearances, [This Old Tony]’s latest series has little to do with CNC-ifying an Etch A Sketch. Although he certainly achieves that, more or less, automating the classic toy is just t… ...

For more information, check out Part 1 of this guide. Interior Fillets When using a CNC vertical or horizontal milling machine, all interior vertical walls must have a radius.