There are very few things more hypnotic than watching an embroidery machine do its work. When watching my wife’s machine working on festive decoration, I thought about how I’d create something similar in Houdini. Turns out it isn’t too complicated once you’ve figured out how to make the stitches run into a certain direction.

We decided that for the sake of art directability (does that word exist?) we’d settle on a manual appropach of drawing guide splines in order to define the direction in which the individual stitches would run. Next we’d create tangents based on those splines which we then feed into a velocity volume. Another way to look at it is that this works pretty similar to what you’d do when combing hair or fur.

In this video we go over the basic setup and creating a single spline for each stitch. For rendering (get the final render setup on our Patreon) we added a background with a weave shader as well as created secondars spines that coil around our stitch splies, in order to give the impression of twistes yarn.



Still thinks “Space: 1999” is the coolest thing that ever happened on german TV. Be it pixels, hardware, code or cameras – if it’s interesting, Moritz is gonna take it apart. And sometimes even reassemble it. In his spare time he likes to dabble with code and create generative artwork. He claims his early exposure to QBasic is no help at all when working in Houdini, Cinema 4D, Processing or Arduino. But it might have been what started his fascination for the boundaries of code and art. When not wreaking havoc to any intriguing devices around him, he works as an Art Director at Aixsponza.

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