Filling polygon

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 From:  NaN
10571.1 
Hi!

Have a polygon that I want to fill. The most likely candidates (network, nsided, planar) either do nothing or (in case of network) print ("calculation failed"), no matter which parameters I chose.

How would I create a polygon from that shape?

Thanks and all the best!

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 From:  Frenchy Pilou (PILOU)
10571.2 In reply to 10571.1 
Join each "Big edges" then you can make a Sweep 2 rails :)

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 From:  Michael Gibson
10571.3 In reply to 10571.1 
Hi NaN, Network is looking for a boundary made up of 4 separate curves, not just one single closed curve like you have here.

So you'll need to use Edit > Separate and then Edit > Join on your curve to form 4 separate curves like in the attached file and then Network will be able to use it.

Construct > Planar won't work on it because the whole curve is not all on a single plane.

- Michael
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 From:  NaN
10571.4 In reply to 10571.2 
Tricky (if I got your proposal?) :)

But the shape isn't fully symmetric (there is a reason that it has to have exactly that shape).

Isn't it possible to just fill any polygon somehow?
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 From:  NaN
10571.5 In reply to 10571.2 
Ah, now I got it, thanks for the video!
Great, didn't know that sweep can do from-to this way - very helpful, thank you!
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 From:  NaN
10571.6 In reply to 10571.3 
Thanks Michael, now I have two ways to achieve what I couldn't do a minute ago :)
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 From:  Michael Gibson
10571.7 In reply to 10571.6 
A 3rd way is to get the long sides as individual curves and then use Construct > Loft to build a ruled surface between them.

- Michael
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 From:  NaN
10571.8 In reply to 10571.7 
^^Neat! Thought loft is only 2D->3D, good to know it can also make faces!
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 From:  NaN
10571.9 
Was also able to extrude the resulting face now for 1 mm with the "Shell" tool. Don't understand why "Extrude" did just nothing though (would perhaps be helpful to give some textual hints which expectations of a function are not fulfilled instead of doing nothing). But got this working for now :)
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 From:  Michael Gibson
10571.10 In reply to 10571.9 
Hi NaN, Extrude can work on curves or individual surfaces but not on an object made up of multiple joined surfaces.

- Michael
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 From:  NaN
10571.11 In reply to 10571.10 
Ok.(..) Still have to sync my expectation better to the way how things work in MoI. A lot is possible - just often not as I would expect. :) But that's ok for somebody who is still scratching the surface when it comes to actual modelling in MoI. (Am using MoI almost daily - but only as a super fast STEP viewer)
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 From:  Michael Gibson
10571.12 In reply to 10571.11 
Hi NaN, there is some information here for people coming from a poly modeling background:
http://moi3d.com/forum/index.php?webtag=MOI&msg=4865.2

A couple of things are - try to use 2D profile curves and cutting things using boolean operations rather than trying to patch in surfaces on a 3D wire scaffolding and it's more common to construct things directly in place instead of say starting with a box and mutating its points into some other shape.

- Michael
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 From:  NaN
10571.13 In reply to 10571.12 
Thanks for the links, will have a look!
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