Customizable shopping cart token / cart chip with text

A fully customizable shopping cart token with text for your keychain!
--Scales completely for your currency! Just set diameter and height in Customizer. (base values are for the 1-Euro coin)
--Custom Text!
--Imprint as deep as you want. You can go all the way through!
--Written competely in OpenSCAD!

ATTENTION: For some reason the preview picture looks a bit strange. But don't worry, I already tested everything. :)

2021/02: Fun fact: The purple chip you see in the picture broke last week after 4 years of daily use. So much for PLA's durability. :)

Description:
Tired of looking through your pockets just to neither find a coin nor token to unlock a shopping cart? With this handy token you'll never have to search for one every again.
Pull out your key chain, unlockthe cart and put it right back into your pocket. 100% success rate with direct-insertion slots!

Habt ihr es auch satt ständig nach dem Euro oder eurem Chip für den Einkaufswagen zu suchen, nur um diesen beim nächsten Frühjahrputz wieder zu finden?
Mit meinem Chip in Form eines Schlüsselanhängers passiert euch das nicht mehr! Einfach in den Münzschlitz stecken, entriegeln und wieder rausziehen. Solange ihr euren Schlüssel bei euch tragt, habt ihr auch euren Chip!
Die Basisgröße entspricht einer 1 Euro Münze, kann aber einfach im Customizer angepasst werden.

Co-credit goes to Zero a.k.a. Marcel for having the initial idea!
Shoutout to user mattti for pointing out what's wrong with the customizer!

Changelog:
V4: -Increased center body width for text space and stability.
-Added extra options for customizer.
V2: -Added scaling for other currencies. (V1 deleted).
2019/01/28: Removed non-ascii characters (prevented CUstomizer from working, thanks mattti)
2020/06/17: Summary update.