Integrating patterns from other bundles can be done as described in 1.1 - Integrate more bundles.
In a breeze, add the remote.min.js
from that other bundle like so:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Patternslib training</title>
<script>
window.__patternslib_disable_modernizr = true;
window.__patternslib_import_styles = true;
</script>
<script src="https://cdn.jsdelivr.net/npm/@patternslib/[email protected]/dist/bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@patternslib/[email protected]/dist/remote.min.js"></script>
</head>
...
And then use a pattern from that bundle. In this case, pat-leaflet: