I built a 3D wallpaper tool that syncs its day/night cycle with your actual local sun position.

Hey everyone,

I’ve been working on a tool called WorldPaper because I was tired of static loops. It renders full 3D scenes in real-time on your desktop.

The coolest part I just finished is the local sun sync. If it’s sunset outside your real window, the lighting in the 3D scene (like the Tropical Beach one) shifts to match.

Performance stuff (because I know you'll ask):

• It automatically pauses the render when any app is full-screen or a game is running, so it won't tank your FPS.
• Built in UE5.
• Supports multi-monitor setups.

I’m releasing it on Steam soon. Happy to answer any technical questions about how it handles the GPU load!

Steam Link for more scenes:https://store.steampowered.com/app/4501910/WorldPaper__3D_Wallpaper_Manager/