3D Print Files › 45 Degree 4 Inch Threaded Elbow 3D Print STL Files Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 45 Degree 4 Inch Threaded Elbow 3D Print STL Files CA$7.00 Add To Cart Added! This is the 3D print .stl file to make the 45 degree hanging elbow that threads onto 4 inch flex dust collection hose. This is the 3D print .stl file to make the 45 degree hanging elbow that threads onto 4 inch flex dust collection hose.