Below are some more links related to 3D printing..
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Wings3D Forum Discussion about Wings Units (WU)
Shapeways Blog "Learn to Fly with Wings3D"
STL File Format
OBJ File Format
List of 3D Printer Slicer Software with reviews
oort
Wings3D Forum Discussion about Wings Units (WU)
Shapeways Blog "Learn to Fly with Wings3D"
STL File Format
OBJ File Format
List of 3D Printer Slicer Software with reviews