What to look at to buy a 3D printer

If it is the first contact you have with the world of printing and 3D printers Either because you have to use one or because you want to buy it and you do not really know what you have to look at, I leave you the bases and the main characteristics that you have to take into account to be able to compare them and find out which printer interests you.

Rep Rap Prusa i3 3D Printer
Source: RepRap

Being realistic today 3D printers are not for the end user yet, that is, for the general public. It is not like any other appliance or gadget, that with little knowledge or interest you can use it. Here you need either some knowledge or at least some concerns to be able to get the most out of the device.