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Author Topic: Gore patterns.  (Read 444 times)
lloydsp
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« on: May 10, 2017, 19:55:28 pm »

I'm working on a dumb-simple script that will plot 'gore patterns' in CB for making a hemispherical (or spherical) shapes from flat pieces of thin material (like paper or fabric).

Eh... it's kind of a specialized need.  But if anyone is interested - like if you enjoy making paper hot air balloons or parachutes for rockets, etc. - I'll post it when it's done.  All it does is take the sphere diameter and a "number of sections", and plot a 'half-line' which can then be reflected to make a full gore vertically.  

What I intend to use it for is to create a plastic 'master' which can be used to hand-cut these things from paper with a utility knife.

Like I said... it's kind-of specialized to a specific task I'm doing this week.  But someone might find it useful.

(I'm not even sure that one doesn't already exist... but I couldn't find it.)

Lloyd
« Last Edit: May 10, 2017, 19:57:18 pm by lloydsp » Logged

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Bubba
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« Reply #1 on: May 11, 2017, 03:57:56 am »

which can be used to hand-cut these things from paper with a utility knife.
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..or, Drag Knife Plugin
Drag-knife Plugin version
   http://www.atelier-des-fougeres.fr/Cambam/Aide/Plugins/DragKnife.html
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lloydsp
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« Reply #2 on: May 11, 2017, 12:48:09 pm »

Yes,
But I don't own a drag knife attachment, and need only a dozen (or so) of these paper gore sheets for experimentation.

If we were to go into production of them, We'd need many hundreds per day, and would be required to resort to a rule die in order to cut 30-40 at one quick stroke of the arbor press.


Lloyd
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