So... no? The paper shows the motors used in the printer, and some of the parts it produced, but not the actual actuator it made.

	▲	DoctorOetker 3 hours ago \| parent \| next [-]
		I see it on page 17 (18 including the MIT front page) It's a linear motor, more like a speaker voice coil without cone.
	▲	nom 3 hours ago \| parent \| prev [-]
		fig 17 shows the assembled motor it's a linear motor.. like a speaker coil assembly fig23 shows how a radial assembly could be made