High-resolution, biodegradable 3D printing resin

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According to Andre Simpson, a professor at U of T Scarborough’s department of physical and environmental sciences and researchers at the University of Toronto,” turned waste cooking oil – from the deep fryers of a local McDonald’s – into a high-resolution, biodegradable 3D printing resin. Because we’re using what is essentially a natural product – in this case fats from cooking oil – nature can deal with it much better.”



University of Toronto

U of T researchers turn McDonald’s deep fryer oil into high-end 3D printing resin

University of Toronto Scarboroughref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1222955319464251395&


Nexa’s resin 3D Printing

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According to 3D Printing Nerd, “We stop by the Dynamism booth at CES this year, and they showed us the NEXA3D resin 3d printer. It prints at ONE LAYER PER SECOND. That’s nuts! It’s that fast, and the quality is perfect.”

From comments,

Uncle Jessy
3 days ago
Okay… now I love big resin 3D printers… now that is one BIG FAST Resin printer! Love how this tech keeps getting better and better!

Amazing tech, I’ll stick to (ha-ha) “traditional” resin printers for now, but the future of 3d printing looks exciting.
Can confirm it does print this fast. Joel, I waived at you at the airport coming back from Formnext (we were on same flight back), I was actually there as part of the Nexa3D team 😄. Cool to see you do a demo on our awesome machine.
Is this patented like Carbon3d or can this actually get out on the market in a meaningful way?
Oh there was a Kickstarter from Nexa3D a few years back, the NX1 for like $1500, then some patent complications messed it up. Obviously this was way too affordable, so the owner had to make a machine 40x as expensive to milk this tit for a few years before they release anything to the typical consumer. And some people think patents are helping innovation.
When will CLIP printing be a consumer thing? I think he misspoke when he said more viscous resin flows better.
Resin printers are awesome but the resin is expensive, it’s not so eco-friendly and can be dangerous. It’s an amazing improvement but I don’t think the next production generation will use this kind of machines.
So cool! Thanks for sharing Joel. I had a feeling that was going to be in the tens of thousands of dollars range. Still neat to see what is possible. Maybe in 5-10 years something like that will be at a price most makers can afford. I’ve looked into getting some of my inventions injection molded, and in some cases just the mold making cost is higher than this whole machine. So it is probably useful to a lot of small businesses if they are thinking about doing low run injection molded parts.
That machine could make 10,000 small items per day. Within 100 days the price per part for the machine would be 6 cents. It would be more about the price of the resin. Yet this could be used for parts not easily injection molded.
That’s really amazing !!! For me, the biggest obstacle to the popularization of 3D printing is the printing time and the cost. The cost has greatly reduced in recent months, including for resin printers, but speed remained a concern, without having an abominable level of finish. This machine is just … wow. It only needs to divide its price by 10 and we will be good. Sorry for by bad English, i’m french. Thanks Joël.
60k is VERY reasonable for this, even if all you print is D&D miniatures (assuming you’re selling them as a business venture). This machine at those speeds could replace an entire farm of printers and be run by a single operator. To put into perspective, this machine costs less than 2 fleet vehicles. I wonder what the washing and curing station costs.
1z centimeter per minute = 1 layer of 1/60 centimeter per second+

Request a free 3D print sample part

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According to the Formlabs, “stereolithography (SLA) print process, and see how Formlabs prints compare to parts made from an extrusion-based fused deposition modeling (FDM) 3D printer:

Form 1+ is a stereolithography 3D printer. Today, we’re going to look at how it works and put it to the test against parts from an extrusion-based machine.

Let’s start by taking a closer look at the printer. When we open up the light blocking cover, we can see a build platform inside. This metal plate is where the parts are made.

Underneath the build platform is a liquid resin tank. This clear window gives the ultraviolet laser a path to cure the resin.

To start a print, we’ll upload a file, and fill up the resin tank to the indicator line. You can see the laser passing back and forth inside, hardening the liquid plastic.

Now, We’ll take our print out and wash it in rubbing alcohol to get the excess resin off. The flower comes with supports on it, and we’ll snip them off to finish the piece.

Stereolithography is known for producing extreme detail, with layers down to four times finer than a human hair.

The Form 1+ lets us take advantage of a library of materials, so we made some other parts to show what these resins can do.

A Castable Resin gives jewelers and engineers an inexpensive way to produce metal parts. This Flexible Resin is great for simulating different textures and as we can see, this Tough Resin and can really take a hit”.


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