I needed to enlarge a previously drilled hole. Since I couldn’t use my hole saw’s pilot bit to center the hole, and I didn't have my drill press with me, I had to come up with a solution. What worked for me was to connect two hole saws together.
The Yamaguchi Platform Bed Frame in Honey Oak - This Japanese style platform bed is constructed with interlocking frames that requires no brackets or screws for easy assembly. Absolutely love the concept here, I will totally have this in my house.
Unless you& making many multiples of project parts, it almost always takes longer to set up for a cut than it does to actually rout the workpiece. Fortunately, over the years we& discovered shortcuts to make most setups a breeze.