Copying Body Parts using Seaweed Alginate

Copying Body Parts using Seaweed Alginate

Today we’re talking molding and casting techniques, and we’re making multiple casts of a thumbs up!

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This video is only for entertainment purposes. If you rely on the information portrayed in this video, you assume the responsibility for the results. Have fun, but always think ahead, and remember that every project you try is at YOUR OWN RISK.

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55 Responses

  1. Raj Ender says:

    Must feel Weird to hold your hand in your hands

  2. Vallahd Sacretor says:

    I would say try to cast metal in Alginate, but if it retains water, it’ll vaporize and possibly cause a steam explosion

  3. RMA says:


  4. Vivion Plays says:

    Coat an ice cube in neverwet and let it dry

  5. Vivion Plays says:

    Try to make reusable ice cubes using some kind of food grade silicone!

  6. McDrakMan says:

    Can diamonds melt?

    • TheAttacker732 says:

      Not under standard conditions. Under standard pressure, carbon (including diamonds) sublimates from a solid to a gas at something like 6,600° F. However, if you get the pressure to 50+ atmospheres (~750 psi), then carbon can melt, albeit at even higher temperatures, closer to 8,500° F.

      So diamonds *can* melt in theoretical terms, but only under conditions that are beyond all but the best labs. In practical terms however, diamonds don’t melt, they evaporate or BURN first.

    • The Rains Down In Africa says:

      Yes literally anything can melt even wood

    • Astromations says:


  7. Jacob Keary says:

    The consistency you were trying to think of is pancake mix

  8. Xavier Cunningham says:

    Am I the only one who wants to cast a middle finger

  9. Angel Acuna says:

    Oh the people I could scare with a severed head

  10. Mr. pro101 says:

    Black one is better 👍👍

  11. G0D is hiring says:

    I’m gunna cast the bird

  12. Don Che says:

    Can i use my 3rd leg too?

  13. Charles Meadows says:

    Modern art

  14. John Brooks says:

    So this is how dildos are made?!?! 🤯

  15. Chin-chin Hiccup says:

    i cringed when he poured it over the camera

  16. It's Ye Boy Craddock says:

    Can you make a vid on how you make your intro cause I want to make mine like yours if you don’t mind

    • Nicholas Josey -The Diamond Block says:

      ask on your video editors forum and include a link to a video with the intro that you want

  17. Ryan says:


  18. Kayla Miller says:

    OMG AWESOME vids!!!!!!

    Edit: And can u make a volcano that explodes with a rainbow lava please?!

  19. Directionally Challenged says:

    now you mold the plaster fist in a food grade silicon mold and THEN YOU MAKE A GUMMY HAND!

  20. Glen Atchison says:

    I felt like I just watched a commercial…

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