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 Post subject: 10 3D Printers for under $1000
PostPosted: Fri Sep 27, 2013 2:38 am 
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See this article.

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Fri Sep 27, 2013 5:20 am 
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I have been looking for a 3D printer, but never thought i could afford one that is good enough for twisty puzzles. Looking at these, I realise I don't know what to look for. Can anybody clarify, what would make a good twisty puzzle printer? What should I look for, and what to avoid?

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Fri Sep 27, 2013 6:41 am 
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It depends on what you are trying to achieve. If you are designing just extensions for existing puzzles then a low cost low resolution (0.5mm accuracy or layer thickness) printer would probably suffice. If you are designing puzzle mechanisms of the complexity of a 3x3x3 or Megaminx, then you need a better resolution / smoother surface finish printer, say 0.3mm. If you are trying to print out a multi-shells mechanism, then you would need better than 0.1mm resolution.

Note that most home 3D printers use ABS like materials, and you have to consider how to support hollow parts. This is not a problems with SLS as the material is self-supporting.

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Fri Sep 27, 2013 9:30 am 
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What Gus is saying about accuracy is inaccurate :p The printers often claim 0.1mm positional accuracy but that's merely a theoretical figure that doesn't represent how well the printer actually performs.

I have never come across a home 3D printer that could print the puzzles I make.

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Fri Sep 27, 2013 10:08 am 
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TomZ wrote:
What Gus is saying about accuracy is inaccurate :p The printers often claim 0.1mm positional accuracy but that's merely a theoretical figure that doesn't represent how well the printer actually performs.

I have never come across a home 3D printer that could print the puzzles I make.
Which is why you need better than 0.1mm accuracy/layer thickness, as I said, for complex puzzle mechanisms, and no "low cost" 3D printer I have seen will claim this. I agree, the headline figure for the sales blurb might say "0.1mm" but when you dig deeper this is achievable "best case" and only over very small models. And then there is the print to print variation, material variation etc. It is a difficult subject ... even Shapeways get it wrong sometimes :shock:

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Sat Sep 28, 2013 2:01 pm 
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Thank you Gus and TomZ for your answers :D
I have come to the conclusion, that it is properly best for me to get my puzzles of Shapeways for the time being. I am still pretty new to the 3D printing and designing aspect of puzzles, and hopefully the printers will be better and cheaper when I fell like I'm good enough to buy my own printer.

Again, thank you both for your answers :D

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Sat Sep 28, 2013 2:05 pm 
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Also, ask Claus about his experiences with 3D printing, he had made a lot of puzzles.

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Tue Oct 01, 2013 3:08 am 
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I agree completely with Tom.

It is necessary to have 0.1mm precision on each axes in real.

Some printers promised this but the result on the z-axes is only 0.3mm. And this is not good enough.
You can print extensions, megaminxes and 3x3x3 with their mechns when the printer has a resolution of 0.254mm.

I printed dogics and all my floppies (1x3x5, aso) on this printer with perfect smooth moves. Maybe there will be a lot of other puzzles you can print.

But complex cuboids or starminxes you can't do with it.


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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Tue Oct 01, 2013 7:48 am 
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Has anyone seen this?
http://www.kickstarter.com/projects/117 ... ter-and-sc
It looks interesting but it also looks like it has a ways to go in accuracy.
EDIT: Also it uses Blender :?

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Tue Oct 01, 2013 10:37 pm 
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Hi all! I found a printer with .01 mm accuracy for under $1000. Would it be possible to make very fine and complex print with this?

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 Post subject: Re: 10 3D Printers for under $1000
PostPosted: Wed Oct 02, 2013 1:10 am 
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Letti wrote:
Hi all! I found a printer with .01 mm accuracy for under $1000. Would it be possible to make very fine and complex print with this?

Probably not. I've never seen an FDM process be able to come anywhere close to enough precision for a complex puzzle print. Wait until somebody is printing complex twisty puzzles with a FDM printer before you consider buying one yourself.

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