1. Three angle printer, also known as delta printer, parallel arm printer. Horizontal and up and down movements are achieved by three motor control ends.

2.  Coordinate system printer, also known as CoreXY, has an obvious XY axis and Z axis on the mechanical structure, general X axis one motor, Y axis one motor, Z axis two motors

3.  Arm printer, also known as SCARA, ARM, mechanical structure, there are two links that look like a human hand, can move in a circular range.