There has to be a better way of doing this, I will be thinking of a good design for personal use that doesnt use so much material, maybe even wick free.
I experimented a bit with capillary tubes but didn't get results that were appreciably better than wicks. Wicks avoid a lot of problems that are seen in vacuum based feeders (temperature/pressure variations).
How much material would you like a feeder to use?
My quick math says these use about 11 cents of filament each...Edit:
Updated math because I forgot to write down the filament length used...
1.1831m of filament per feeder.
Lets call it 1200mm and assume I pay $18 per kg of filament (I think it was $35 for the two spools I bought).
Feed those numbers into this website:
https://consumables....ost-calculator/That gives you a cost of 6 cents of filament per feeder.
Edited by Subverted, May 1 2017 - 4:28 PM.
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