FULLY MakerBottable 3x2x1 Rubik\'s Cube
by MakerBlock, published
Edit: For more print and assembly pictures makerblock.com/2010/08/3x2x1-rubiks-cube-assembly-pictures
Want to read more about this design? Do you want me to make one for you? Check out my blog at MakerBlock.com
NO TOOLS, NO HARDWARE, just print, clean, and assemble!!!
This is similar to prior iterations of this 3x2x1 Rubik's-style puzzle cube - except it is intended to be a 100% printable, no hardware required design. It is inspired by:
TomZ's 1x2x3 "Friendlier" Rubik's Cube, thingiverse.com/thing:2412
R3becca's Beco Block connecting mechanism, thingiverse.com/thing:1983
TomZ's original 1x2x3 puzzle was a totally printable design - but it required a peg that had to be glued in place. This means once assembled it couldn't easily be taken apart for cleaning, repair, etc.
The X-ray screenshot should pretty well show the barbell connector as well as the connector mechanism. Both parts are similar to R3becca's own connector system - especially the barbell. However, the interior cube connector is a simplified version of her female connector - simply because it was too hard for me to replicate her designs. :)
This version comes with a single STL for all parts: 2 identical center cubes, 4 identical edge cubes, and a single "barbellconnector for the middle. I'm leaving the initial version in case you want to play with it. I've actually printed the last version, "Rv4.STL".
I've also done a better job of placing the parts and centering the entire set. Before you had to make sure your print head was exactly centered before you could try printing it. Now you should have far more wiggle room on any side.
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I printed it out and it works great! Only problem is, occasionally a piece pops out because the center is too loose. I will have to design a smaller barbell (maybe print another, just in case I overcleaned it).
Successfully printed V4, works great and only took an hour and a half to print.
Here's a video of it working!
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2. Clean parts.
3. Slot two end cube pieces (with semi-circular tabs) into the two semi-circular holes in each center cube piece.
4. Pop the small flat tabs off the center barbell connector.
5. Pop one end of the barbell into the center of either center center cube piece.
6. Spin and rotate to loosen parts.
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