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The video shows a lot, I still don't use 3D printing, but I want to use it a lot for my processes. I'm studying blender...... I already knew about pallets, but not like you explained... sesancional... how could I have the parts to assemble a hotend using pallets?

Awesome idea! Have you considered putting the heating element directly in the barrel? The extra interface is definitely slowing down the rate of melting

What's new in taking Chinese screw to make a pillet extruder?

This guy will clean up our planet from plastic.

Don't know if anyone suggested that, but you can use a flexible steel cable to transfer the torque to the extrusion screw. So you don't have to move the motor extruder. Btw genius idea...

I made an PCL pellet extruder and put it on a creality ender. In prototyping, the sticky PCL got stuck EVERYWHERE. In the end, with the right pid, we got a decent benchy at decent speeds

One thought is to have a static resivour of melted (liquid) pellets flowing into the nozzle in a such a way as to port into the hotend where the static liquid material flows through a tube into the head but does not reside on the moveable print arm and add mass to it. Only the melted plastic flows into the hot end from an external source. Work that out and you have a whole new next gen thing.

Would the cost of making a filament extruder using pellets and recycled prints give you the best of both worlds?

Maybe it is easier to use pellets to make your own filaments for the 3D printer?

where do you find those tpu pellets?

How do you ensure accurate flow Rate if the pellet size is varying? The material into the hotend is not directly proportional to the motor rotation rate?

I'd love to see you try chocolate using chips as input

How soon until you start shipping the barrel and screw with the tech data? I don't need to be sold on your concept more, I want to start printing. The strength can wait. for now. The chocolate printer will of course be amazing.

TIME TO LAUNCH MY FRIEND. You should be shipping development kits already. Most people are still tinkering with filament extruders. Why grind up material and extrude it only to be fed back through another hot end, just buy/ make pellets and feed them. Ender 3s are $150 in the US right now. I want the metal parts ASAP! Also the tech you have been developing. I could buy a commercial pellet printer but that's many times the cost. I want a sub $300 (total printer cost) printer on my bench tomorrow. Your solution seems more refined than most. Release at 80-90% refinement or lose out. Perfecting your design is taking too long. I've read many of the comments and those folks don't seem to recognize how close you are to a breakthrough solution. I would love to see the PLA tech first and then the TPU after that. Please ignore the "critiques" below. I've been following 3D printing tech since 1986 when it was first invented. You have a game changer here, just get it deployed.

PLA pellets can only reliably sourced at $10-$15/kg. The cheapest PLA filament is $15/kg… last I checked. 0-30% cost savings was not 300% (missinformation factor 10x to infinity)

I would appreciate consideration for larger nozels for larger printer/prints. This is where the costs of printing really add up

Be I have a flash-forge adventure 5 m pro printer . It is a big improvement but still has some things that can still improve on

Very good video and so happy to see your progress. I have 40 years of high production high precision injection mold making and molding experience. You are dead on in the process you outlined and are mastering the rheology of thermoplastic flow . The only difference in the outcome is that you are not able to get the density of an infection molded part because you do not have a packing phase in 3d printing. As a result you may have aligned molecules and a grain like wood in printing that has some advantages and disadvantages. But with carbon fiber we may be able to produce a similar strength . Not sure yet all the doors you are going to unlock but accolades to you this this an amazing project. But I can tell you that the injection molding press industry has already figured out how to do a lot of what your doing they just have not figured out how to 3d an extruder for 3d printing

How do you handle switching colors or materials?

I like the idea, however I think print quality is a vital thing to consider, especially from those of us who make a living off of making prints. Especially on dimensional accuracy, print quality is something needed.

It seems like the inconsistencies and quality issues could be resolved fairly easily. Filament is made in a three stage system and one stage system. The logical next step would be having a miniature filament extruder line that runs on top of your machine or next to the machine because then you can easily more precisely create your filament and direct feed it right into the existing hot end this way instead of creating a new hot end For every type of printer, you can just have one extruder line that fits any printer. You just have to tune the machine properly so that it feeds at the same rate that the machine takes it up or just have some sort of system that holds slack so that the printer speeding up or slowing down doesn’t affect the extruder line Or just make your own reels :-) I’ve seen some filament projects that can make pretty darn accurate filament and a small amount of space for a small amount of money

Could you pre-melt the pellets before they enter the extruder or heat the entire extruder? Seems like having a larger volume of liquid plastic would give you better control over the flow rates, since you don't have air getting trapped in the extruder with the pellets?

So when you gonna update us on a guide/tutorial?

Can you get pellet for every single filament meterial type.

Printing sugar products is the bestest buisness, someone start this

whats with the clickbait thumbnail? benchy in filament is not 5 bucks its 10g and therefore 20 cents...wtf

Pellet Tank = Pellet Hopper

👍

No retraction?

Hey, this is great! I was looking for a convenient pellet extruder. I currently recycle old plastic and create my own filament, but that is much more work than directly printing the shredded material.

Why use blender to shred 3d prints??? Mmm micro plastics

Why u cant just do new filament from recycled grains? Then you can use it in normal printer.

Hello, after watching this video I was immediately very happy that there is a new way to cheaply print your products. but later, when I started to be interested in pellet prices, I had to be disappointed. Did I not find cheap pellets for sale, or does the author of the film buy standard filament in coils at a very high price and that is why he has such a big price difference for raw materials? for example, I pay £9/kg for Petg filament in rolls, and I found Petg pellets the cheapest for £7.5/KG. because of such a small price difference, it is not worth rebuilding your printer.

My bet is that getting the pellets in Australia would cost about the same as all we have are scrounging lazy middle-men importers trying to squeeze as much as they can from us rather than a 15-30% markup or any local manufacturing. #LudditeNation

Most excellent vid

this is the future!

Recycling is great, but filament does not have such a big price. Question is reproducibility/fail rate etc. Standard noozles is must, as custom ones give you disadvatage on market. In future I think you will have problem with spreading of MMU option. Over all like idea.

I dont like too much all the "green" theme, but i like the idea of self-sufficiency, i might use recycled plastic for low quality prototypes and only use top quality expensive filament for things that i want to be more permanent and of higher quality, i am a fanatic of quality by the way

9:00 of all the colors to use.

would grinding the pellets into more of a dust give you a more consistent flow rate compared to larger pellets?

I love what you got here. The problem is layer lines. I would like to see this mod on something really good with that. If it's your system then open-source it to see how you can compress it. Current superchargers come to mind with compression.

Make sense for large production (dozen kilos per day), for printers with 1mm nozzle at least. If you still wish to print as is, make your own filament. In current state it's too much hustle and errors to use it. And don't print things which you can buy (usually it cheaper, stronger, last longer and don't require hustle).

You won me at the 8:41 . Now I want a 3d printer just to be a brat.

I would probably still prefer something more akin to filament maker in shape of regular 1kg spool :D - that would require no change to printer hardware ... at max somehow sync filament demand and production rate (some humor included :) ).

"dildos and toy vaginas" im glad youre honest about the fact that thats guaranteed to happen.

I'm definitely looking forward to buying this kit as my last quote for a pellet extruder hurt my feelings, badly. I'll try and be patient. Creating content required for releasing this type of kit has to be substantial. I'm getting voron vibes from this project!

amazing

when you made that hook I immediately recognized it being the cnc kitchen one lol

This might be a really good idea I will look into this Although i must say having worked as both a baker and a chef, that 3d printed donut idea doesn't sit very well with me.