He’s eschewed a router or extruder, and instead fit an off-the-shelf CNC machine kit with a sandblaster. If you are used to a sandblaster as a means for removing rust from pieces of your motor ...

the “FR4 Machine Shield” could indeed become one of the cheapest CNC machine kits on the market. The team targets an introduction price of $400 during a Kickstarter campaign in June 2016.

The market offers two types of CNC dressing machines: semi-automatic and fully automatic. Semi-automatic machines are typically used for single-wheel dressing and require an operator to be present ...