Parametric Brick Pattern - Image Sampler

Hey all. I followed this tutorial to generate bricks with an image sampler but the bricks do not change according to the image (at least not effectively). Can someone check it to see perhaps where I went wrong or if they have an idea on what’s going on? (92.6 KB)
090724_grasshoppertrial.3dm (296.0 KB)

please find the images here. any help would be muuuuuuch appreciated :slight_smile:

it works but from 0 to 4.2°. Just change the scale of the angle. And use Brightness as output of image sampler. (92.3 KB)

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Thank you so much!!!