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Interesting idea from the UK’s Mindsets online. I haven’t found any pictures or video of the actual process or its products, so it may be one of those many brainstorms that turns out to be, ah, well…let’s just say “more interesting as an idea than in practice.” Still, I am intrigued. Feels like it could be a jumping-off point for some very clever small-shop process.

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Sean Michael Ragan

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.


  • Richard Harris

    No this is in production and has been for a long time Many teachers including me have used it. iw works, The version I had used a flat wire strip to make the mould.you could bend it to any shape you required.

  • Richard Harris

    Double post

  • http://twitter.com/kagetsuki0 影月

    I’ve done exactly this and gotten fairly good results. Avoid using the trigger and just push the glue in from the back in one smooth motion to get less bubbles.

  • http://pulse.yahoo.com/_T5XDK4H3MDW3WOXICO3EK3JQHQ Tyr Grisfal

    What about a caulking gun?

  • http://pulse.yahoo.com/_T5XDK4H3MDW3WOXICO3EK3JQHQ Tyr Grisfal

    What about a caulking gun?

  • http://pulse.yahoo.com/_T5XDK4H3MDW3WOXICO3EK3JQHQ Tyr Grisfal

    What about a caulking gun?

  • http://twitter.com/jaggednz Jeremy Arnold

    Not new, I was taught this technique to prototype silicon rubber buttons during my industrial design course. Drill or Mill an appropriate mold in plastic (or even wood?) and inject hot glue. 
    You can get very professional results, I’m surprised I don’t see more DIY devices using this.

  • kathleen hunt

    I admire the valuable information you offer in your articles. I will bookmark your blog and have my children check up here often. I am quite sure they will learn lots of new stuff here than anybody else!
    I have recently posted plastic injection molding

  • http://www.kaysun.com/ Kaysun Engineering Team

    This is an interesting idea! We’re an injection molding company and think that using a glue gun can make for some great lessons in injection molding — squirting the glue into a prefabricated piece of metal, waiting until it dries and popping it out — and perhaps bring awareness to the manufacturing process.