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Any of you hackers have a way to form recycled cardboard? (lemmy.world)

submitted 4 weeks ago by j4k3@lemmy.world to c/asklemmy@lemmy.ml

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I'm not talking about folding, cutting, or taping. I'm talking about somewhere between pulping, molding, additives, papier-mâché, low strength composites, and IKEA furniture.

I'm wondering how cardboard egg cartons are formed or any number of other logistics packing materials. That process must be relatively cheap to do and might have a lower environmental impact compared to many other materials. I have a collection of various cardboard and discarded rough card stock I use for custom boxes, storage, and jigs, but it would be cool to make 3d printed molds filled with a pulp like slurry of old cardboard to make stuff for the cost of time and trash.

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[–] joelectron@lemmy.world 1 points 4 weeks ago

A guy made an intractables guide (and an accompanying youtube video) that would be an excellent starting point for you: https://www.instructables.com/Recycle-Cardboard-Into-Anything-With-3D-Printing/

It's a bit involved and messy (and will ruin your blender if you do this a lot), but you can get totally usable parts from this method!