Ever wondered how your scribbles on Snapchat turns into a smooth line, or how the pen tool works in Figma or Procreate? In this talk we'll dive into the invisible art of line-drawing algorithms.

We'll start from the historical pixel-based methods to the tools that we use today, wrapping up with real-world examples.

The techniques described are evergreen, timeless and cross-platform.

It's pretty common to evaluate new changes with a vibe check but that makes it difficult to really know what's up with your system. We'll talk a bit about how to build more complex apps.