Invisible Item Frames

Uses an accompanying Resource Pack

This vanilla-friendly and multiplayer-friendly data pack allows you to craft Invisible Item Frames and Invisible Glow Item Frames with phantom membranes.

Invisible item frames only become invisible when an item is place inside, meaning you don't have to worry about forgetting where you put them. When no item is placed inside, they look like normal item frames but emit subtle particles to differentiate them.