20 hours ago, gr5 said:You probably want ninjaflex. But I'm not certain.
Yes, there are some academic works in soft robots using ninjaflex, but I've printed it before, and it isn't great. Was looking for something better. I might give it another try, and even coat the print with silicone for example.
20 hours ago, gr5 said:So if you have a know material (for example some silicone) and you already know it's shore hardness you can try to decide if you want more or less flexible.
I'll look into this. I've used different silicones before, this is a great advice.
20 hours ago, gr5 said:Like you probably already saw me say: print slow, hot, >100% flow and add oil to the filament.
Yes.. i've seen it. I gotta dig again and search for your ninjaflex advices. And look specifically for printing it in Ultimaker3
Thanks a lot. I know it won't be easy, and it's an unexplored field, but I'm looking for ways to speed up the manufacture of soft robots.
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gr5 2,224
Printing water tight is hard enough. Air tight even more difficult.
I think you can probably do it but you will have to adjust temperature, speed, flow to get perfect extrusion. Or at least no underextrusion.
You probably want ninjaflex. But I'm not certain.
The property that you have a lot of control over (by choosing a filament) is the flexibility, or elasticity. Which for these materials is almost always measured in "shore hardness". Beware that there are 3 scales A,B,C and each scale gets softer.
You mentioned silicone. If you've ever done molding with silicone you would know that you can buy many different shore hardnesses.
So if you have a know material (for example some silicone) and you already know it's shore hardness you can try to decide if you want more or less flexible. If you don't, then I recommend starting with ninjaflex.
Like you probably already saw me say: print slow, hot, >100% flow and add oil to the filament.
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