DeWalt DW433 belt sander to 1-1/4" vacuum hose adaptor

An adaptor fitting the DeWalt DW433 belt sander dust port to a common Shop-Vac 1-1/4" hose. I have another part to convert the the 1-1/4" hose to 2-1/4".
http://kent-vandervelden.blogspot.com/2014/10/3d-printed-belt-sander-dust-collector.html