Parametric drill bit stand

remix and update of the original parametric drill bit stand
Full credit to the original designer, and to the people he credits.

***work in progress***
as I was organising my drills, special drills and taps, I came across the limitations of the original code and started adding new features. I hope somebody finds them useful

improved:
-changed assign commands to let commands (current version threw warnings that assign is outdated and might not function in future versions)
-removed some unused code lines and variables, cleanup of the code
-now uses text command. previous version predates that command? A huge improvement on preview speed, versatility, and ease of use.

added new features:
-possibility to create custom labeling (number, text, blank label)
-variable width dependent on the hole size (saves a lot of space
-hole size and labeling can be different, and do not have to be in ascending or descending order



practical side:
-use openSCAD (free download) to cus