3D Pen Driving Assembly

FIG. 1 is a front view of a first embodiment of a 3D pen driving assembly showing my new design.

FIG. 2 is a rear view thereof.

FIG. 3 is a left view thereof.

FIG. 4 is a right thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a top, right front perspective view thereof.

FIG. 8 is a top right rear perspective view thereof.

FIG. 9 is a bottom right front perspective view thereof.

FIG. 10 is a top right front perspective view of the 3D pen driving assembly's first embodiment usage status.

FIG. 11 is a top left rear perspective view of the 3D pen driving assembly's first embodiment usage status.

FIG. 12 is a front view of a second embodiment of a 3D pen driving assembly showing my new design.

FIG. 13 is a rear view thereof.

FIG. 14 is a left view thereof.

FIG. 15 is a right view thereof.

FIG. 16 is a top view thereof.

FIG. 17 is a bottom view thereof.

FIG. 18 is a top right front perspective view thereof.

FIG. 19 is a top right rear perspective view thereof.

FIG. 20 is a top right front perspective view of the 3D pen driving assembly's second embodiment usage status; and,

FIG. 21 is a top left rear perspective view of the 3D pen driving assembly's second embodiment usage status.

The broken line portion of the figure drawings is included to show unclaimed subject matter only and forms no part of the claimed design.