Problem solved! Reverse normal!

I want to achieve a plastic fabric effect like this.
Snipaste_2022-04-03_17-04-20.png
but when adding thickness to the fabric, it turns out black and does not show anything behind the fabric.
Snipaste_2022-04-03_17-01-30.png
If I change Ray epsilon part of the black on fabric will go but the ...

Thanks a lot aoktar! You saved my day!

I put exactly the same material on my model, and it looks very different in rendering. 624e98bcaf8dd3ac14627a85cb131bf.png No matter how I change the lights or direction of the model, the left leg still looks like a piece of ice
3ec3e68da3925318654288c51046390.png
another example: in two circles I ...

1why everytime dragging several building models under octane scatter, the models get into different directions and scales? and these buildings cannot stay in the same proportion as before. No matter how change rotation and scale value, buildings are still in the wrong direction.

2if I put all the ...

yes, it's different. Curtain 2 has a more complicated UV and is subdivided.

Try scaling them down, so that the texture scales up in relation.
This is the same texture, and same number of Polys, but the UVs on the right are scaled up
scaled_UVs.jpg

If you're still having trouble, upload a ...

niestudio wrote:Are the UVs for curtain 2 scaled differently that curtain 1?

yes, it's different. Curtain 2 has a more complicated UV and is subdivided.

I'm made a curtain and then decided to change it to another mesh. However no matter how I adjusted the texture transform and projection, just couldn't get the same result as before

How can I solve the problem?

Hi,
you have linked a very old topic, in the meantime, the Displacement node has been enhanced.
Which exact version of plugin are you using?
Please, have a look at this other discussions about Displacement node:
https://render.otoy.com/forum/viewtopic.php?f=30&t=62095&p=317480&hilit=displacement ...

Why everytime adding displacement to this tile texture, it causes a weird shadow or reflection

Also, I downloaded a file from a topic about displacement+bump before. The result comes out very differently.
TOPIC:
https://render.otoy.com/forum/viewtopic.php?f=87&t=48024
After adjusting amount and ...