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scale model of a mendel90 anyone?

Posted by bastard 
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Ralph.Hilton
Re: scale model of a mendel90 anyone?
July 20, 2014 11:48AM
Quote
bastard
I'm thinking about a substitute for the belts. The material should be flexible enough to move around the fixed motor / pulley / idler. Maybe rubber or some kind of fabric could do. Do you have any ideas?
scaled openscad code for some belt:

module sect()
{
for (i = [0:9])
{
rotate([0,0,i* 1.591]) translate([0,89,0])
union()
{
hull()
{
translate([.75,1.3,0]) cube([1,.1,6]);
translate([.5,.6,0]) cube([1.5,.1,6]);
}
cube([2.5,0.6,6]);
}
}
}
scale([.4,.4,.4])
for (i = [0:20])
{
rotate([0,0,i* 15.915]) sect();
}
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Garry Bartsch
Re: scale model of a mendel90 anyone?
July 22, 2014 01:40AM
Really nice work!
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3ddude
Re: scale model of a mendel90 anyone?
July 24, 2014 10:44AM
Wow, that's really good! smoking smiley

Cool project!
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bastard
Re: scale model of a mendel90 anyone?
August 07, 2014 02:38PM
I finished it!





You can find more pictures in my blog.
A video is as well available here.

MfG / Regards

Stefan
Blog / Gallery / Wiki / Mendel90 kit since Sep 2013 from Nophead / Original Prusa I3 MK3 since Feb 2018 /
OpenScad Workshop: Kursdateien
Octoprint Patron since April 2016
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QuackingPlums
Re: scale model of a mendel90 anyone?
August 07, 2014 04:06PM
Very impressive! How do you wind the Z-axis up and down?

Will you post detailed instructions for those of us who would like to build our own scale models?
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ElectroWomble
Re: scale model of a mendel90 anyone?
August 08, 2014 09:18AM
You have done a superbe job of this! Thanks for taking us all along for the ride with all the photos and video.

On April the 1st you should post a question on the forum about why X dose not work ... including a photo of your "mendel90" and see how long it takes anybody to notice!
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bastard
Re: scale model of a mendel90 anyone?
August 08, 2014 01:48PM
Hi all,

I'm just in the end phase of the documentation. I'll upload all files to YouMagine in the next few days.

For now, I'm heading to my Irish Pub to cure my fingers ...

MfG / Regards

Stefan
Blog / Gallery / Wiki / Mendel90 kit since Sep 2013 from Nophead / Original Prusa I3 MK3 since Feb 2018 /
OpenScad Workshop: Kursdateien
Octoprint Patron since April 2016
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bastard
Re: scale model of a mendel90 anyone?
August 09, 2014 06:16AM
Hi,

I just published it on YouMagine! Have fun!

MfG / Regards

Stefan
Blog / Gallery / Wiki / Mendel90 kit since Sep 2013 from Nophead / Original Prusa I3 MK3 since Feb 2018 /
OpenScad Workshop: Kursdateien
Octoprint Patron since April 2016
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bastard
Re: scale model of a mendel90 anyone?
August 09, 2014 06:18AM
Quote
QuackingPlums
How do you wind the Z-axis up and down?

Unfortunately you have to turn both threaded rods by hand.

MfG / Regards

Stefan
Blog / Gallery / Wiki / Mendel90 kit since Sep 2013 from Nophead / Original Prusa I3 MK3 since Feb 2018 /
OpenScad Workshop: Kursdateien
Octoprint Patron since April 2016
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