The Creality Ender 3 is the workhorse FDM printer of the maker world. It has a 220 x 220 x 250 mm build volume, a heated bed, and prints PLA, PETG and TPU reliably at consumer-friendly cost, making it perfect for student first prints and quick iterations.
Typical use: rapid PLA / PETG prototyping, brackets, jigs, enclosures.