From the course: Substance Designer for Architectural Visualization

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Subtracting small surface bubbles

Subtracting small surface bubbles - Substance Designer Tutorial

From the course: Substance Designer for Architectural Visualization

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Subtracting small surface bubbles

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- [Instructor] Concrete is poured into a form or a mold, and it takes on the shape of whatever that mold is. However, as part of that pouring process, sometimes there's air trapped in the concrete, and that can lead to large voids which aren't necessarily structurally desirable. Also aesthetically, we want our walls to be smooth and not have what look like formed in chunks missing. What we'll do then, is to vibrate that concrete, either by striking the sides of the mold, or using a large, well, concrete vibrator. It's inserted in and shakes the concrete to make sure it fills any voids in there in the rebar or next to the form. What we'll see though a lot of times is on the surface of the concrete there are tiny bubbles that are stuck to the sides of the forms that form little voids. And so we'll add those in next. When we look at this stock image of concrete, we can see there's lots of little voids in the surface, and these are actually the bubbles that were stuck to the sides of the…

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