Machinist's test indicator holder for Petsfang

This is a test indicator holder that attaches to Dave Petsel's PetsFang-v2 fan shroud.

I'm a hobby machinist, and wanted a bracket to hang a test indicator (DTI) from my printer. I wanted to use a DTI to assist with tramming and mechanical adjustment along different axes, as well as a poor man's CMM (!). Note that this is for a dial **test** indicator (DTI) and not for a simple dial indicator (a test indicator uses a lever arm as opposed to a plunger). The advantage of a DTI over a dial indic