Parametric bldc mount drill for OPENSCAD only

**Do not print the stls, as they are just previews that have no use.** (This is made for my other BS project but think it might be useful for someone who's designing a drone or some other bldc related projects)

This little project is **only relevant for openSCAD users**.
It's a module that punches holes in a pattern of commonly used by bldc hub motors.

There are 2 files
* The module (BLDCHouse_punch.scad)
* There are 2 modules to call
* hole_punch, description as **MEMO1**
* hole_punch_preset, description as **MEMO2**
* The testcase (BLDCHouse_testCase.scad)

MEMO1:
* This punches holes for bldc
* Make sure that the area is covered
* {} : module to punch (currently only support one) // need to pass as children, as a part of definition of OPENSCAD.
* x,y,z : the center of the object ( I don't know how to do auto detect, please advise me if you know thanks ) (z is the height of the punch, as current I failed to get the thickness of t