As can be seen, a 3D printed is used, what's rather unique.
And, they are made in Amsterdam, The Netherlands!
![Smile :-)](./images/smilies/icon_e_smile.gif)
Here is a link:
http://www.doubledutched.com/espexpert/
They are expensive though, 97 euro is a lot of money for 5 chips and 2 extra ones, but you get loads of information and downloads.
There is a 15% discount now at Dynamityemagic, where these chips are for sale...