karcher wd3 makita drt50 vacuum router adapter

Here is an adapter I have designed for quick change my vacuum (KARCHER WD3 Premium) hose from its original pipes to my router Makita DRT50 (actually it is Drillpro clone from Aliexpress)

Here is a link for mu model of it at onshape: https://cad.onshape.com/documents/8ffff3fee9501bd945631ad1/w/82afb83e1b6e73551186046a/e/b3fd58d9b939fb759d8b0681