Many 3D printers ... you cool the extruded filament, the fewer problems you’ll have with drooping and warping. Often this is done with a small brushless fan mounted right on the print head.

Although pricier than most others on this list, it is one of the best 3D printers on ... At $66.60, the Kidoodle allows kids to dip their toes into 3D printing without a major financial commitment.