Quote
A2
@Solidus Labs:
FYI: Black plastic can have recycled plastic in it, never use black plastic for parts of value.
Natural, and white are your safest choices for filament.
A few examples of extruders that I think can be modified for cast resin extruders:
I like this one by the_digital_dentist, it might be the easiest to resin cast:
[forums.reprap.org]
I can't quite agree with the 'never use black plastic for parts of value,' but I see where you are coming from. I have had very good results with the black PLA I am using. The digital dentist counter rotating threads is definitely interesting concept.