These are awesome! I’m kinda jealous. 
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Amazing! How many outer walls did u use?!
Yep, nice pieces of printcraft (and photography).
What tumbler filler did you use to polish these?
These look great! Great pictures too!
Here is a Proto-Pasta Stainless Steel Print and a Filamentive Carbon Fiber I did
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brass screws approx. 24 hours and walnut shells for ~24 hours
Are metal filled filaments stronger than normal plastic or is it just for the metal look?
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In my experience they’re actually weaker and more brittle. Used some tungston filled filament and accidently forgot to change my settings. Printed it with 1 shell and it crumbled like eggshell when I put any pressure on it.
But it sure looks good.
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Walnut shells? I haven’t heard that one. That tumbles metal? Gonna have to give that a try.
Wow this is really cool. Thanks for sharing
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It’s just for the look 
But the Colorfabb filaments are not (much) weaker than regular PLA.
the nutshells make the surface smoother - in theory
I am not sure if this is really necessary. Sometimes things help, allthough they only exist in your imagination
I heard that any additive that disrupts the “plastic matrix” makes it weaker. So I would imagine that the metal powder just messes with the strength of the plastic. But it sure does look pretty!
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Joerg,
What settings did you use to print these little beauties?
yes, correct. That’s why carbon filled filaments are complete nonsense from the technical point of view
A carbon ‘reinforcement’ needs long fibers rather than powder added to the plastics.
So the carbon filled filaments are also only for the look (and weight?) and may be vibration damping but they are weaker than regular PLA.
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