Adaptor for 1 3/4 inch wand handle to 1 7/8 inch shop vacuum hose.-FreeCAD

I wanted to use an old central vacuum wand and accessories on my shop vacuum, but the hoses are different sizes. I looked at several parametric designs but found them somewhat confusing so I decided to design my own. The wand handle has female threads and connects to a 1 ¾ inch hose.  The shop vacuum hose is 1 7/8 inches and can have a female threaded unit screwed onto it.  I created the provided FreeCAD file to get the 3mf file for PrusaSlicer.  It took a lot of trial and error to get the fit just right.

To get the threads to print without supports, I slowed bridges to 15mm/s, otherwise, just the standard 0.3mm profile with 3 perimeters.