3DPrinting
3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.
The r/functionalprint community is now located at: !functionalprint@kbin.social or !functionalprint@fedia.io
There are CAD communities available at: !cad@lemmy.world or !freecad@lemmy.ml
Rules
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No bigotry - including racism, sexism, ableism, homophobia, transphobia, or xenophobia. Code of Conduct.
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Be respectful, especially when disagreeing. Everyone should feel welcome here.
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No porn (NSFW prints are acceptable but must be marked NSFW)
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Do not create links to reddit
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If you see an issue please flag it
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No guns
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No injury gore posts
If you need an easy way to host pictures, https://catbox.moe may be an option. Be ethical about what you post and donate if you are able or use this a lot. It is just an individual hosting content, not a company. The image embedding syntax for Lemmy is 
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What's the shore hardness on that TPU? Not every TPU is the same.
Most generic printer TPU's are around 90 to 95A shore hardness, which ensures extruder compatibility. It's "flexible" but very stiff. It's best for stuff like compliant structural parts that need to be shock absorbent but still strong.
Stuff like ninjaflex gets down around 40A iirc, which is considerably more rubber-like. However, Compatibility depends on your printer. Ninjaflex is OK in direct drive extruders with the right feed teeth, but pretty tough to get good results out of if you have a Bowden extruder because it will want to bunch up and compress inside the feed tube.
You also have to minimize infill and wall thickness when slicing to get the most flexibility.
I'm so sorry to have forgotten the most important information... I edited my post to add the 95A :'D
Thanks for your reply. I'm printing on an Neptune 3 Pro, so I guess more flexible filaments should be printable for me.