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Oh wait, youre giving me great theoretical ideas here. I didnt think about it untill now but ( atleast in central europe ) a lot of cosplayers use eva in its foam form to craft a lot of their costumes or props. If a printable eva exists, they would no longer need to do the cutting and puzzling of eva foam boards. Print it like how you need it!
I can see why you wrote a paper on it and is very cool to hear about!
Also never heard the stratasys story before lol
I would suggest for EVA foam; you could print skeletonized forms in PLA and gluing to that. Yeah, it’d be super slick to be able to just print the stuff, but overall, rigid plastic is awkward and uncomfortable to wear.
You can sandwich the skeleton form between layers. A coarse sanding will get barges to hold every bit as well, too. And the skeleton can offer a more-solid foundation for spikey-things and such, too.
And if the form is a difficult shape to print, you can also soften it quite easily with a heat gun and drape it on a form- or, if it’s a sheet use your heat bed set above 70-80 (for pla,). Bad for printing. Great for post processing.
(Also, have you made a vacuum table? You can make a cheap one using that corrugated plastic signboard stuff, and a shop vac. You can also set up a space heater as the heating element using MDF or plywood as a box frame- or a gun. You can make helmets very easily using a vac table and a 3d printed bust that’s the same size as your head.)
Oh wait, youre giving me great theoretical ideas here. I didnt think about it untill now but ( atleast in central europe ) a lot of cosplayers use eva in its foam form to craft a lot of their costumes or props. If a printable eva exists, they would no longer need to do the cutting and puzzling of eva foam boards. Print it like how you need it!
I can see why you wrote a paper on it and is very cool to hear about!
Also never heard the stratasys story before lol
I would suggest for EVA foam; you could print skeletonized forms in PLA and gluing to that. Yeah, it’d be super slick to be able to just print the stuff, but overall, rigid plastic is awkward and uncomfortable to wear.
You can sandwich the skeleton form between layers. A coarse sanding will get barges to hold every bit as well, too. And the skeleton can offer a more-solid foundation for spikey-things and such, too. And if the form is a difficult shape to print, you can also soften it quite easily with a heat gun and drape it on a form- or, if it’s a sheet use your heat bed set above 70-80 (for pla,). Bad for printing. Great for post processing.
(Also, have you made a vacuum table? You can make a cheap one using that corrugated plastic signboard stuff, and a shop vac. You can also set up a space heater as the heating element using MDF or plywood as a box frame- or a gun. You can make helmets very easily using a vac table and a 3d printed bust that’s the same size as your head.)
I’m definitely going to try this. All this time I’ve just been sticking my head in the vac table.
It’s easier than printing two materials: e.g. colorFabb varioShore TPU
low print temperature: “solid” material
high print temperature -> foaming agent reacts -> light weight & soft material
There are also other technologies out there including toolchangers with 2k (2 component mixing) print heads.