Don't Panic, Fix a minor problem causes panic & major proble

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Don't Panic, Fix a minor problem causes panic & major proble

Postby lmtsketch » Thu Mar 23, 2017 9:11 pm

I have a model that I have printed parts from, then I made some modifications (not in the problem area) but now when I save the model, Sketchup 17 wants to repair errors and opens some faces that I cannot close after the Sketchup fixes are applied.I have tried closing the faces with lines, ThomThom Cleanup2, and Microsoft 3D builder on the stl. None have worked. I would like to fix it within Sketchup. I would appreciate some advice. Thanks.
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Thu Mar 23, 2017 9:34 pm

The right hand one fixes OK with SolidSolver...
http://sketchucation.com/pluginstore?pl ... olidsolver
The left hand one fails - so it has difference that are too subtle to track-down.
Delete it.
Because the two parts appear to be mirror images, why not make a copy of the 'good' one, then move it to one side, and mirror it [using Scale > -1], and edit it to make it unique.
Now you have two solid groups.
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby lmtsketch » Thu Mar 23, 2017 10:30 pm

Your fix worked the first time through. I then saved each item as a component and then opened the component as a new file in order to have 2 part models. Now SolidSolver does not work on the component(I get the fix error again when trying to save. I also reopened a backup file to try and start over, this time SolidSolver blew up Sketchup and sent an error report. I am going backwards. [I did create the original 2 pieces by copying and mirroring (Flip along green, rotate blue]
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Thu Mar 23, 2017 10:59 pm

You also seem to have scaled the instance by some large amount !
Here's a fixed version - using instances - scaled back...
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby lmtsketch » Thu Mar 23, 2017 11:27 pm

The first image is what I see when I first open the model you attached. The model has open spaces. The 2nd image is the Sketchup crash report when I run Solid Solver on this model.
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Thu Mar 23, 2017 11:53 pm

Where did those missing faces come from???

Why do you need to run SolidSolver ?
The component is already a solid as reported in Entity Info ???

PS:
This is weird - when I get the SKP back it is faulty !
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Fri Mar 24, 2017 12:06 am

Heres a re-fixed SKP
Reports solid for me...
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby lmtsketch » Fri Mar 24, 2017 11:55 am

I get the same result as the first model. The only opened the file and the faces are missing.
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Fri Mar 24, 2017 12:39 pm

Yes, this is very strange.
When I get that 2nd SKP back it has holes.

I didn't when I uploaded it !
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Fri Mar 24, 2017 12:46 pm

I fixed the missing faces and some issues causing non-solidity...
This works fine for me...
Reopens from my copy without issues - remaining a solid !
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby lmtsketch » Fri Mar 24, 2017 1:23 pm

Yes, This time the file opened properly. I saved the parts separately and they are still good solids. I would appreciate any details on how you fixed these parts.

THANKS!
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Re: Don't Panic, Fix a minor problem causes panic & major pr

Postby TIG » Sat Mar 25, 2017 1:31 am

I drew over some missing faces' edges and they healed up.
However, the one on the shallow-dome part cause a double face to form - it was only zillions of an inch apart - but stopping it being a solid.
Because the edges were supporting too many faces !
I selected one of those faces and deleted it.
Then it reported as a solid.

I suspect that there is some incredibly tiny variance in these edges which SketchUp thinks can't support a face - or can - and then adds two faces !
Doh !
These overlaid faces can some times occur - SolidInspector will show them - but can't fix them...
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