So I made an articulated chest or at least the opening and closing is articulated. I printed it on the ender 3 pro with a glass bed since my Prusa mini was printing other things. The parts were a little fused but with some pressure, they snapped free. Potentially scaling it a little would eliminate the small issue but overall it printed pretty well while being support-free.
Here's a video I made about it….
The author marked this model as their own original creation.