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3D chocolate printer made from LEGO

Step 10Lets build some chocolate stuff!

lets build some chocolate stuff!
Here's the finished (well, you know, in a rough prototype kind of way) printer.

there are only 3 controllable ports on the rcx brick i used, so one for x, one for y, and one for the extrusion control. you'd need to gang two rcx bricks to further control temperature and the z axis.

I did end up doing 5 layer builds of 3D things like the letter A. unfortunately without a release / support material the geometry is limited, but it was still cool.

hopefully someone will rebuild this and simplify it.
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12 comments
Dec 12, 2011. 6:36 PMProCactus says:
what does it do?

If someone makes a chocolate printer, You would think they had an example.
Maybe" Step 10 - Lets build some chocolate stuff!" is not finished?
Oct 27, 2011. 9:37 AMgeckomage says:
haha, i was just using my labs 3d printer and then saw this article so i figured i'd give it a read :) support material would be hard to do for this one :( i use a special type of plastic that desolves in a special acid bath and leaves the structural material behind :)
Nov 14, 2010. 9:45 AMer0401 says:
Omg u should submit this to Lego magazine and see if they'll let an adults cool creation be entered! :)
Nov 12, 2010. 8:57 AM930913 says:
Awsome- great job. I liked the comment idea of a lego printer that prints legos hahaha. GJ
May 1, 2007. 12:33 AMwhiteboipumas says:
wat is this supposed to do? make shapes of chocoalate?
Nov 12, 2010. 8:56 AM930913 says:
*sigh*
May 19, 2009. 8:28 AMjokerrabit says:
wouldn't be to much to substitute hot glue or plastic with a low melting temp for chocolate to make patterns for parts and things.
Feb 17, 2008. 1:33 PMzeplin00 says:
this ROCKS I didn't do it but one of my friends did =P
Jan 4, 2008. 5:16 PMjakesllama says:
you should enter a Lego contest! very cool
Apr 2, 2007. 9:43 PMbeetlegossip says:
dude you rock.
Jul 19, 2006. 11:45 AMnittywitty says:
show us an example of what it makes!
May 7, 2006. 2:53 PMSugarTeen52 says:
It`s a great idea!! Keep inventing. Maybe you`ll invent something that the world will benefit from! (if you don`t eat it first!! : ))

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Author:saul