Because a 3d printer is an additive process you can do more complex shapes with it than with a cnc router. Cnc routers struggle with overhang and other complex shape where is a 3d can make these relatively easily by using support structures.
a cnc router can do everything a laser or 3D printer can do but depends on how deep your pockets are. its very easy to convert a cnc router to a laser or have a laser add on for a router or 3D printer. you can get other types of laser other than tube or diodes
I am doing a conversion from router to laser its very easy to do, you just need to know how they work
Man, the options in this poll are tricky for me. Each one of these as a great range of usefulness.
Although a DIY for a 3D printer would cost just as much as a cheap already made 3D Printer if you didn't have access to the parts already, I chose this option because I believe a 3D printer has a infinite amount of possibilities attached to it. Imagination is the limit.
A CNC router is simpler than the 3d printer but not by much, if you can't built one of those then for the same reasons you will fail with the 3d printer
if your buying a kit then you can do the same for either
I'd do a 3d printer because I think they are more easy to build. I would like a CNC router but if I made it then it would fall apart, catch fire, melt and explode.
A CNC machine would be the best to start with. One could always make an attachment to add 3d printing capability, possibly even adding mirrors later for use with a laser cutter.
One difficulty with a laser cutter is the laser tube and power supply. Even a low end cutter capable of cutting anything more than paper is going to cost a thousand or more just for a bare tube.
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