HTD3M wheel for YRUDS extruder

This wheel is compilation of other two wheels:

htd3m_mod3_56_zebow_FINAL.stl (teeth and flanges)
from "YRUDS - best extruder for 3D Printer / Reprap" by U-Design
http://www.thingiverse.com/thing:38874

and

YRUDS_extruder_HTD3M_wheel_left.stl (center part)
from "YRUDS extruder HTD3M wheels" by Zejk
http://www.thingiverse.com/thing:110065