Shop Vac 2-1/2" Ridgid Flex Hose to 1-7/8" adapter

I bought

https://smile.amazon.com/gp/product/B074Y8KF2L/ref=ppx_od_dt_b_detailpages03?ie=UTF8&psc=1

and wanted it to work with

https://smile.amazon.com/gp/product/B001O6RA6Q/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

so I made this.