CNC Vacuum Connection Point

I made this adapter to interface the vacuum hose on my CNC to a 45mm shopvac.
it is possible to use a strip of tape to hold the shopvac side in place.

On the CNC is a 32mm hose -> see:
http://www.amazon.de/Universal-Staubsaugerschlauch-32-mm-x-15-m/dp/B003FTH56K

if you are interrested in other vacuum adapters have a look at my other designs!