The file 'DeWalt Dwe6411 Sander To Rigid Vacuum Adapter 3D Printer Model' is (STL) file type, size is 9.7KB.
Just as it states, adapts a Dewalt Dwe6411 sander to a Rigid vacuum hose.
OD is 2.05in, ID is 1.7in. Print upright.
PETG might handle the heat and stress better than PLA. YMMV.