From FreeCAD To The Real World

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chrisb
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Re: From FreeCAD To The Real World

Post by chrisb »

rpoisel wrote: Sun Jan 07, 2018 7:17 am It is foldable
Nice. How does it fold?
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rpoisel
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Re: From FreeCAD To The Real World

Post by rpoisel »

chrisb wrote: Sun Jan 07, 2018 7:30 am Nice. How does it fold?
There are two "halves": one with 7 rungs and one with 6. The side with 7 rungs can move around the 2nd rung from the top. That means that the small two wooden plates (the ones that have a trapezoidal shape) are glued to the side with 6 rungs, but not to the side with 7.

Hopefully this clarifies the situation a bit. I will try to take a picture of it when it's folded. At the moment it is covered with blankets and heavily used as a tent. ;-)
chrisb
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Re: From FreeCAD To The Real World

Post by chrisb »

Those generic toys are great. I will wait for the image in the folded state because I still dont understand what's going on at the top, where both vertical stands seem to be on the same level.
Dont forget to take the children out of the tent when you fold it :shock:
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rpoisel
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Re: From FreeCAD To The Real World

Post by rpoisel »

Hi chrisb,
chrisb wrote: Sun Jan 07, 2018 9:41 am Those generic toys are great. I will wait for the image in the folded state because I still dont understand what's going on at the top, where both vertical stands seem to be on the same level.
Dont forget to take the children out of the tent when you fold it :shock:
hehe, that's a good hint. ;-)

I have attached a picture showing the detail of the mechanism when the triangle is folded. The two halves are parallel now. That way, it can be attached to a wall easily and and it consumes less space when not in use.
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fold.jpg
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chrisb
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Re: From FreeCAD To The Real World

Post by chrisb »

Aha, very clever! I had assumed that the (single) turning joint was at the top.
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triplus
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Re: From FreeCAD To The Real World

Post by triplus »

Smart engineering.
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looo
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Re: From FreeCAD To The Real World

Post by looo »

related to this topic: https://forum.freecadweb.org/viewtopic. ... 90#p217386
I guess some fem-studies would help to make the real thing more like the computer model (or the other way)...
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looo
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Re: From FreeCAD To The Real World

Post by looo »

FreeCAD is involved also in this project:
http://www.gipfelfoto.tirol/info/
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microelly2
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Re: From FreeCAD To The Real World

Post by microelly2 »

looo wrote: Wed Feb 28, 2018 7:00 pm related to this topic: https://forum.freecadweb.org/viewtopic. ... 90#p217386
I guess some fem-studies would help to make the real thing more like the computer model (or the other way)...
rucksack.png
Nice to see this real world use case.
I will look how this bag can be modeled in our shoe last environment.
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looo
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Re: From FreeCAD To The Real World

Post by looo »

microelly2 wrote:I will look how this bag can be modeled in our shoe last environment.
I already thought about using a "geodesic line" to place the zipper. I guess a "geodesic line" should always be a straight line for the flattened parts...
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