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  • asg32000 commented on Proto G's instructable Mechanical Prototyping Pencil9 months ago
    Mechanical Prototyping Pencil

    Is your Spool Holder model a solid piece of plastic? It could be printed more cheaply if it were hollow. I'm getting an estimate to print this, and it's by far the most expensive part (about $12 compared to about $3 for the other two parts).

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