Sometimes you'll end up with materials sharing the same Z-space, or overlapping, that causes them to fight and flicker horendously. This especially true of Sketchup models that have front and back faces that completely overlap. 

I have figured out an effective way to adjust the Z-space of a material.

Clever idea!
That surely will be handy...
Thanx 

Toystorylab on Vimeo :     Crassitudes (my "Alter Ego") on Youtube: 

Brilliant Rampa! .... An extremely useful tip indeed ! This is another one to 'file away' for sure....
Thank you very much! ..... 

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Please be patient with me ..... I don't always 'get it' the first time 'round - not even the 2nd time!   - yikes! ... 

● MSI GT72VR Laptop, i7 7700HQ 4-Core 3.8 GHz 16GB RAM; Nvidia 1070, 8GB Vram ● iClone-7.93 ● 3DXChange Pipeline 7.81 ● CC-3 Pipeline 3.44 ● Live Face ● HeadShot ● Brekel Pro-Body ● Popcorn FX ● iRAY ● Kinect V2 ● DaVinci Resolve17 ● Mixcraft 8.1

Interesting approach.

That issue is one of the three reasons I have a bad attitude about Sketchup models.  Oh sure, they're free (and I have used them), but they seem to be notorious for overlapping surfaces and gaps between surfaces (like the walls of a room don't exactly meet, resulting in light leaks).  Then people complain about 3DXchange and iClone, but it's the fault of the free model they downloaded.

Anyhoo… thanks for sharing.

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iClone 7... Character Creator... Substance Designer/Painter... Blender... Audacity...
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Thanks 4 this solution!

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Nice video thanks for sharing it. Is there a video for sketchup to 3dxchange workflow? I'm using 3dxchange6 sketchup 2017 I save the file in an older version of but it still crash 3dxchange. 

That looks like it might be a pretty big model. 3DX is a 32-bit app, and so can only access 4 Gig of ram. Try using this utility to make sure it's using every possible bit:
https://ntcore.com/?page_id=371

Also, always choose the oldest version of the file available. I just tested a 2014, and it worked. But you can back even older if available. The newer formats are more likely to give issue.