Here is an idea I've been working on for a while, and I'm now happy with how it works.



A page with details on how it's made is here:
[www.thingiverse.com]

The only real issue I've seen with the cooling block above the effector is there is less room for fans. I modified a E3d clone similar to what you did for my first effector. I've since switched to a Prometheus hot end.

Here's a small video printing nylon trimmer line:
[vidmg.photobucket.com]

What's that effector made of? Looks metallic... aluminium? I'm thinking that a plastic one is going to soften and warp quite quickly.

Hi Frank,

It's aluminium. I've done my time with plastic effectors, moved to metal, and I'm not going back. There are loads on ebay, but the one I've got is this one:

[www.robotdigg.com]