I love the new CORE, so I'm planning to make a head to use it also on Ultimaker2 I have a few questions I'm hoping somebody can help out with. And just in general, If you have any idea's on the best head design just let me know; 1st, To electrically connect the core I need the connector with the metal pins, @daid is calling them pogo pins, but the ones used on UM3 don't seem to be pogo pins. If anyone can give a hint towards a compatible supplier and part? ( I'm using compatible as I as