Recycle your failed 3D prints! Make new filament at home.

Recycle your failed 3D prints! Make new filament at home.

I recycled my old PLA prints and made new filament out of it! Let me show you how I extruded my own material with the Filastruder.

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Readers Comments (50)

  1. What if you removed the container from the blender and printed a funnel with walls that are designed to be the sieve?

    Now, that mounts over the (now bare) blender blades. Put that into an enclosure that collects the pellets and you no longer need to sift for the too large pieces as they won’t leave until they filter through the sieve.

    I would suggest designing the funnel to twist lock to the bladed base and pressure fit the wide end to the enclosure so that the blender can be removed from the collection enclosure before taking the funnel off so that clogs can be cleared

    The pressure fit is so that two twist locks don’t have to be precision aligned and it would allow you to add more material without removing or opening the entire unit because the large end of the funnel would be accessible from the outside. You could also add a lid.

    TLDR: The design is basically a torus with a blender in the center with the inner diameter being a funnel shaped sieve. With a lid.

  2. are u from sweden?

  3. This is awesome!… if you do it on Nylon X it works out financially I think… would live to see you give that a try (uniform colour too)

  4. Love the color and nonuniformity of the color too.

  5. Du deutscher

  6. I wonder if you can get a finer grind on the recycled PLA, and give those a wash. Finer material, better coloring and extrusion?

  7. Acvaristul Lenes December 1, 2020 @ 7:37 pm

    How much electricity does the recycling process use?

  8. You could try to try to make a lobed cam thing like in the back of impact wrenches to make vibration

  9. I would build a vibrator to gently tap the extruder.
    Pre separate scraps based on color in closed bags to avoid dust accumulation.

    The system could benefit from an enclosed set up. Something that would maintain a constant humidity and temp for consistency. Simply opening a door in the room with your recycling system could change diameter.

    Alternatively you could premelt all scraps and form a sheet to shred. This would allow even color tone.

    And last but not least a well insulated rapid cool could shorten your travel distance.

    If you want to brainstorm more let me know and we can chat

  10. too much fuckin work

  11. Jean-Marc Plantiveau December 1, 2020 @ 7:41 pm

    est-ce que la qualité du filament produit est fiable et de qualité comparable à ce qui est sur le commerce ? ..

  12. i would call it Camosludge

  13. That’s really cool and will probably genuinely save YOU money. It’s a real hardcore thing to do but man imagine the savings for a high volume business… $500 investment will pay itself off in no time and they can either sell the filament or use it and give people who choose it a discount on printing costs cause while I wouldn’t mind it’s not exactly… an appealing colour, but for stuff that doesn’t need to be a certain colour or stuff that is going to be painted it’s great.

  14. CNCmachiningisfun December 1, 2020 @ 7:44 pm

    My gasifier allows me to turn failed prints into electricity, so nothing is wasted here 🙂 .

  15. I would keep the colours separated. Unless you like that slime green colour. LOL

  16. not_my_fn_real_name December 1, 2020 @ 7:47 pm

    Even though this is an old video and I bet you have come up with an improved recycling process, here are my thoughts. Create a heated rolling press that will press beads of material, this would prevent you from having to do any prep work with the shredder and also allow you to quickly toss away the waste bits of your prints or failed prints quickly right when you discover you have a need to toss them away. It could be like a wood chipper in design, where the pellets exit onto a conveyor that allows the pellets to cool down. The conveyor would then feed into a exit funnel that pours into Bell canning jars (or any air tight container) and you could keep desiccant in the jar to help remove moisture and keep everything dry. By recycling your waste bits direly after you print, or by throwing all the failed prints into the recycler right away, you can easily grab the closest color (or a new jar) to keep colors or different types of material separated.

    I would imagine this could be created pretty easily, though the heated press may take some experimentation to find a material that allows easy separation. Maybe one solution could be to 3d print a silicon mold, that would allow you to drill out piston shafts and use pistons to push the beads out once they have cooled down. Also, instead of using a wheel, if you had a silicon mold, you could make the wheel more of an octagon, where 2 flat plates just squish the material when they are hot enough and then separate again.

  17. Maybe you could use a blender to process the scraps instead of a mixer.

  18. Perhaps changing the melter completely to a brass cone. Than it can act as the hopper and melt lager bits before its fed through the hole as fillement

  19. If you have a splicer, you could use the recycled for internal fills and save your pretty filament for the external layer.

  20. Try creating a flexible paddle wheel which can be attached to a motor to repeatedly hit the hopper. The paddle should be some sort of flexible material like silicon or rubber, and shoud have a nice sphere at the tips of the paddle. That should more or less help with making the feeding more consistent. Or maybe add a system that blows air from the bottom of the the hopper to the top to creatw a sort of fluidized particle flow, similar to the systems used in grain silos

  21. Seems like too much work, would be cheaper to just buy a new roll

  22. Dmitry Vasilonok December 1, 2020 @ 7:52 pm

    nice job done.. I am on my way to start a 3D printing, and it is good to know that I have an option to reuse this unsuccessful printing results. At least theoretically.

  23. After you shred you should try heating the shredded plastic up so they curl up to a ball shape before you put them in extruder

  24. The concept is promising, but like you said, unless you print a lot, it isn’t really worth it. I could see a mail-in recycle service work though, where you send in scrap by the gram, and get $ off per gram on your next order of recycled filament .

  25. I’ve never used a 3D printer in my life, but this is still interesting!

  26. Salut l’ami ! Avec tout le plastique qu’on trouve dans les poubelles, je me dis qu’il doit y avoir moyen de faire quelque chose . Je suis en retraite depuis peu et j’ai pas mal de pain sur la planche. Mon imprimante 3D est usé jusqu’au trognon . Quand je serai à jour, je vais m’attaquer à ce problème de fil. Fécilitationnement pour ton filamenstassionnage 🙂

  27. mauricio lemmi ayres December 1, 2020 @ 7:54 pm

    To build all this structure obviously is something expensive. I think a good idea could be start a kind of club for recycling where members can use the structure to recycle theirs failed prints. A join fee or annual contribution would repay the investment in machines. Everybody can enjoy.

  28. 10lbs of material is about $30 usd

  29. Just throw it in the ocean like Mexico

  30. Did you ever make another video on the build to this

  31. Lillypad Dreemurr December 1, 2020 @ 8:03 pm

    Sweeeeeden

  32. Patrick Radcliffe December 1, 2020 @ 8:05 pm

    Put a weight in the hopper when filled it this help with feeding the material to the auger bit.

  33. Very interesting! I think that using water to cool down the filament as soon as it leaves the "filastruder" might improve stability and speed. Also, a much bigger heating device might simplify the process as larger plastic pieces can be used. Another system might be required to get a constant material flow, maybe some kind of submerged pump…

  34. I think it’s cool enough you are taking ownership of your waste and recycleling rathen than trashing. Seriously shows a good aspect of at home 3D printing.

  35. Will it blend?

  36. Using failed prints to create filament which will result in more failed prints. You should figure out a way to completely automate that process.

  37. Was ist das für ein Schredder? Den finde ich leider nicht in der Liste oben. Danke!

  38. Lol, why bother, just print a new filament

  39. Keep in mind shredding plastic can build enough static electricity to kill you even in small amounts.

  40. I have the exact same caliper! Did you get yours at Orschelns too?

  41. What about resin prints?

  42. Have you heard of David Hakkens’ Precious Plastic Project?

  43. Would you take pla?

  44. If your still working on this project you can try to find a small used grinder from the Injection molding industry. We have a very small grinder at our shop that makes very small pieces. Also you could maybe find some cheap resin dye. Good luck

  45. Did you know that I record a bi-weekly PodCast with Thomas Sanladerer?
    LISTEN TO IT: https://www.youtube.com/channel/UCzUgJrG-w_KQexroYkJR9XQ

  46. One can hope as these printers become more popular that these extruder will improve as complete systems and drop in cost

  47. Calvin at DrifterStudio December 1, 2020 @ 8:24 pm

    Find out what kind of machine makes the bulk pellets

  48. Thank you, very informative! Please go on!

  49. I would love to see some more of this

  50. Jagielski Gaming December 1, 2020 @ 8:29 pm

    You can always order the failed prints by color so you won’t get that sickly color of filament.

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