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Thread: What type of infill do you use?
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08-14-2014, 09:31 AM #11
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- Jun 2014
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Not only do you have a choice of infill, but I believe it even lets you pick the initial and subsequent layer orientation
infill will let me bridge a pretty decent gap
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08-14-2014, 11:14 AM #12
Ok i have to ask an slighly diferent question, whats the Best infill for prostetics pieces?
Ok according to curios aadvark a 15% infill Will have a lot resistance! but if you aré printing a finger or something that small it wont be better 100% im kind a lost on that one.
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08-14-2014, 12:18 PM #13
I use 35% rectilinear at 45 degrees for pretty much anything in plastics; 90-100% concentric for clays and rubber.
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08-14-2014, 01:20 PM #14
yep - the angle the infill is changed for each layer, or for a certain amount of layers.
It gives the filament something to bridge across.
So for example I designed a plug for the base of a birdfeeder. printed hollow the second layer had nothing to support the filament. with 5% infill there was other filament to help it bridge the top of the cylinder.
For prosthetics. I would probably use an extra shell and again 15% infill would be fine. Less infill = less weight. not necessarily less strength.
Strength wise abs is tough, to crush a finger made from abs with 3 shells and 15% infill you'd need pliers or to jump up and down on it.
There are damn few human beings who could crush it without mechanical help.
100% infill would actually be worse - heavier and not as durable. If dropped it would shatter - a semi hollow one would not. Shockwaves propagate through solids very rapidly. They don't propagate through mesh anywhere near as easily.
Print both and hit both with a hammer. The solid one will most likely shatter - the 15% infill will dent, it won't shatter.
@davo - what are you printing clay and rubber with ?
Please explain to me how to...
05-13-2024, 03:08 PM in 3D Printer Parts, Filament & Materials