STEM – Science Technology Engineering and Math 3-D Files Dog (.stl) Giving Tree .stl .gcode Horn (.stl) Little Boy (.stl) STEM – Science Technology Engineering and Math 3-D Files Agents Volunteers Related Files Document little_boy.stl (842.37 KB) Document horn.stl (600.28 KB) Document dog.stl (689.24 KB) Document giving_tree_layout.stl (3.89 MB) Document giving_tree_layout.gcode (18.35 MB)