Hidden Overflow not working

[Daniel]

Here's how that works:

https://p199.p4.n0.cdn.getcloudapp.com/items/p9uQ8gvm/47ee0a9c-7b5d-45a5-b550-7129bb1cd5b4.gif?source=viewer&v=67cac11a005c0113abe160c512c96329(image larger than 2.93 MB)

Some more info on masking:

Masking Elements by using Content Overflow & Groups

(Below is one technique to mask content, here are a few more). Most commonly, groups are useful to keep elements organized and aligned as one unit as you arrange your animation. Groups can also be useful to animate a 2 or more elements in the same way: instead of animating multiple elements with the same keyframes, the keyframes can be set on the group. Masking is somewhat hidden feature of groups. Since each group has a rectangular shape, you can easily mask parts of the group by setting the…