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.
replyI see it on page 17 (18 including the MIT front page)
replyIt's a linear motor, more like a speaker voice coil without cone.
fig 17 shows the assembled motor
replyit's a linear motor.. like a speaker coil assembly
fig23 shows how a radial assembly could be made