Hexagongrig puzzle

Hi

i made this for http://www.thingiverse.com/thing:41740.
but can be customized in many directions.
can create any 5X5 of hexatile's.
Use openscad to modify! Custumizer is not suported.
if you had any issues let me know.

update: r5
fix

• add an esayprint option to fight printertollarance.
• remove calkulations form input matrix.
  Buglist:
• double eages.

update: 4
fix

• added commments to scad file. .
• 0,0 is now createble
• cleaned main Procedure
• correctet wrong calkulation off radius