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 Post subject: My Even Smaller Rhombiminx (Video Added!)
PostPosted: Thu Dec 31, 2009 6:44 pm 
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Location: Green Bay, Wisconsin
Hello,

The Rhombiminx as always been one of my favorite puzzles, for solving, and for looks. The problem is that it started out too darn big! The mini rhombiminx was definitely a great improvement, but I wanted to see if it could go even smaller. So, I went about designing my own rhombiminx, to what I believe is the smallest a cast rhombiminx can be made when based off an ES mini 2x2 (minimum 2mm thickness, obviously I could go smaller with a full SLS print.) The final completed puzzle will be about 72 mm tall, or about 31 mm on an edge. Also, one thing I love about this design is that all the pieces can easily be cast with a one part mold. So, I present to you, the raw FDM masters:


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IMG_3735.JPG
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Last edited by ejisfun on Tue Jan 05, 2010 10:03 pm, edited 3 times in total.
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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Thu Dec 31, 2009 6:46 pm 
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Location: Caister on sea, Norfolk, England
This is cool. I think you should add some size reference pictures though.

I think it could be smaller. What if you were to use an ES mini 2x2 as a core?

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Thu Dec 31, 2009 7:24 pm 
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Whoops, I meant to say ES mini 2x2. It's already based off of one. :wink: The open cubie spot you see in the first pic is the size of a ES mini 2x2 cubie, or 12 mm. I will add some size reference pics after the parts are done drying from their solvent bath.


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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 4:36 am 
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Wow! That's a LOT smaller than I thought! Very well done :D Keep up the good work.

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 9:48 pm 
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All right, here's more pics:

The mold:



Gluing the parts on:



Assembling half the puzzle:



The whole puzzle assembled with the glue drying:



Now I'm gonna go cut me some stickers. :D


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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:09 pm 
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Location: Lindenhurst, NY
wow thats small!

looks great!

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:19 pm 
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Alumilite molds are the worst! Get some oomoo.

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:21 pm 
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Steryne wrote:
Alumilite molds are the worst! Get some oomoo.


Yes, that pink mold does look kind of rough and fuzzy :P
Looks great though!

-Mark- :)

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:27 pm 
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The fuzz is just uber-thin flash that I didn't bother cleaning up after the last casting. :lol: And this isn't an alumilite mold, it's Mold Max 30, which is FAR superior to Oomoo. :wink:


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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:30 pm 
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Nice improvement! I also have contemplated making a smaller version of my mini Rhombiminx but I really like the size of the original (mini) version. Since that would make my third revision of a simple mechanism I figured it wasn't worth trying.

I can't wait to see a video of movement though.

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:31 pm 
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:oops: I started out with alumilite and it looks identical. :oops:

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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Fri Jan 01, 2010 10:33 pm 
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Garrett wrote:
I can't wait to see a video of movement though.
Right now movement is indeed rough, but even in just the last few minutes, it's gotten much better. I'll make a video once it turns half-decently.


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 Post subject: Re: My Even Smaller Rhombiminx (WIP)
PostPosted: Sat Jan 02, 2010 12:14 am 
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Finito! :mrgreen: I love how with today's technology I can design a puzzle, and then 4 days later hold it in my hands. :mrgreen:









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 Post subject: Re: My Even Smaller Rhombiminx (Now finished)
PostPosted: Sat Jan 02, 2010 12:20 pm 
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how much were the masters?

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 Post subject: Re: My Even Smaller Rhombiminx (Now finished)
PostPosted: Sat Jan 02, 2010 1:06 pm 
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Printed at my school, about five bucks. :mrgreen:


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 Post subject: Re: My Even Smaller Rhombiminx (Now finished)
PostPosted: Sat Jan 02, 2010 1:14 pm 
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:lol: Was that just masters or the entire puzzle? I'm sure an SLS print would be extremely cheap!

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 Post subject: Re: My Even Smaller Rhombiminx (Now finished)
PostPosted: Sat Jan 02, 2010 1:17 pm 
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Actually, according to my calculations, a full SLS print would be about $129. I was just saying that my school has extremely cheap 3d printing. :D


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 Post subject: Re: My Even Smaller Rhombiminx (Now finished)
PostPosted: Sat Jan 02, 2010 7:01 pm 
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ejisfun wrote:
I was just saying that my school has extremely cheap 3d printing. :D


Did I ever mention how much a value you as a friend? :P Mainly for your generosity :mrgreen:

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 Post subject: Re: My Even Smaller Rhombiminx (Video Added!)
PostPosted: Tue Jan 05, 2010 10:04 pm 
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Video added here: http://www.youtube.com/watch?v=ioM5uOf7lvQ


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 Post subject: Re: My Even Smaller Rhombiminx (Video Added!)
PostPosted: Wed Jan 06, 2010 3:17 am 
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:shock: And thats REALLY tiny!!!

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