DIY Casting

[Joseph Chiu]

I came across this page at Smooth-On for making casting for prototyping, and wanted to forward it on to this group:  http://www.smooth-on.com/Prototyping-and-In/c1238/index.html  -- there are some nice photos and videos that nicely explain the casting process on the site.

I was particularly excited to see the example of the Moen shower head (http://www.smooth-on.com/gallery.php?galleryid=182) - the cast copy looks really nice!

One can iterate designs with a Makerbot, then produce a master at Shapeways, and then cast copies of the product without going to expensive tooling.

[Adan Akerman]

Hey, thanks for sending that along... What a great resource. I have a feeling I'll be doing one of those processes before too much longer.

As a way of getting nicer-than-FDM finishes on a part cast from a MakerBotted master (instead of the Shapeways/other route), there's the Super Sculpy process illustrated on one of the recent MakerBot TV episodes. I bought a couple of pounds of the stuff in order to try.., but I'm still negotiating permission to turn our toaster oven into a plastics processing oven! I think it could be good for some part but for others (very fine, sharp detail) it'll just be better to send for SLA.

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[Joseph Chiu]

You might want to check out your local thirft shop for the toaster oven...  I did the same when I needed to heat circuit boards for soldering!  :)

[Adan Akerman]

[Adan's wife breathes sigh of relief...]

Good idea, thanks!