With the old Craftsman drill press possibly squared I’ve moved on to checking for runout on the chuck. And to that end I’ve created a 3D printed runout gauge holder for round dial indicator.
Any round dial indicator with a 8mm stem should fit the gauge. If you’ve got a different stem size let me know; I’ll adapt the model. Or feel free to adapt it yourself.
I’ve sized the gauge opening to 8.1mm. When I combined this with the slight overhang slop from using “support on the build plate only” in my slicer this gave a good opening that fits snuggly with a minimal amount of tooling.
There are also three different styles of holder. Two have the 14mm slide to fit in the hold-down slots on my drill press table. And the no-groove design is flush on the bottom and should be usable on any drill press table you can bolt it to.
I created “Super Stubby” to get the dial indicator as close as possible to the round stock. Because the 1/2″ round I originally used wasn’t nearly as straight as I thought I switched to an 8mm piece of titanium. With far greater success.