4in dust collector coupler

thingiverse

I created a simple adapter to connect a 4-inch OD elbow to my Dewalt planer's 4-inch dust port (DW735). The internal diameter of this adapter is slightly under 4 inches, but when printed with flexible filament like TPU it makes for a tight fit. It measures about 3.5 inches in length. This design only works for the 4-inch coupler. To make it work, you will still need to use a 90-degree elbow, such as this one: http://www.rockler.com/elbow-connector-dust-collection-fittings