Linear stepper motor for cnc machine. one of the very very early linear drives we used on some parts of an incredibly difficult machine to make.Turned out this drive was not very strong or quick but ould be ok for very light applications.
STL (Stereolithography, filesize: 1.72 MB), RFA (Autodesk Revit, filesize: 1.78 MB), SLDPRT (SolidWorks, filesize: 1.42 MB)