Hopefully you guys will find this blog article that I wrote informative.

3D Printing
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1

Hopefully you guys will find this blog article that I wrote informative.
http://swindon.hackspace.org.uk/blog/how-to-3D-print-with-flexible-filaments/

2

PTFE liners are a problem, if thes don’t line up perfectly near the nozzle or deform due to slightly different filament diameters.

3

@Marcus_Wolschon Are there any another solutions? We have tried Ceramics (Macor, Alumina, Zirconia), graphite and metals all without success.