Hot end sink with impeller

In action

Stopped

Scara arms redesigned to match e3d v5

Note: This is not original e3d v5 (I did it on lathe), but sizes matched to e3d blueprint.

Scara hot end

Current PTFE based hot end is bad.
I have super idea how to use cheap and common E3D V5 (long).
Idea in short: One end effector arm is extended a little bit and hot end will be attached to this place (actually any extruder), firmware math required a few extra calculations.
Wait for images in near future.

E3D V5 like hot end on aliexpress

Sscara hot end

Material PTFE.