I'm not claiming this to be the end-all of crosscut sleds. Plenty of woodworkers on YouTube have already done that. Take it or leave it. This one is mine, and I made a video of how I built it. Rant over.
Here are some great resources if you want more inspiration:
Inspiration for my old sled: https://youtu.be/0O1V1_k98Fo?si=Z0qIfkkXCxEpuJP5
"Simple and dirty" sled by David Picciuto: https://youtu.be/0YxcUgo58EQ?si=7OGhrMwUYRld2xI1&t=973
Ultimate Table Saw Jigs (Crosscut Sled): https://youtu.be/pZfyoh5SZ6I?si=TDeAl2Lz6SmajvzR&t=263