Coupler 2.5" to 1.75" inches
thingiverse
A coupler for shop vac. I'm using it on my DeWalt table saw and router to hook up my Rigid shop vac. Inner diameter is 2.5" two point five inches to 1.75" one point seven five inches. Height is 3" three inches. Wall thickness is 0.15" zero point one five inches. Takes about 5 hours to print. If it's a bit tight which mine was use some heat when fitting the coupler.
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