[FoRK] composites, additive mfg.

Dave Long dave.long at bluewin.ch
Mon Aug 27 14:32:55 PDT 2012

>> It would be cool if you could 3d print a series of channels into  
>> which
>> you could draw or pump or deposit aligned fibers, maybe even by
>> capillary action.

> Vacuum bagging fiber cloth onto a machined part isn't hard, it is  
> an easy garage operation.  You have to get creative about trimming  
> (I used a Dremel with a cutoff wheel) or using precut patches, but  
> otherwise it is easy.  Use of a peel ply is key.

In fact, all the applications of reinforcement that come quickly to  
my mind involve having the reinforcing material as a thin shell on  
the outside of the part (cf tubes, I-beams, etc.).  What did you have  
in mind as an application for interior channels?  Micro-trusses?


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