Minecraft wiki entry for Model, associated text: In this example, the parent is set to item/generated, which means that this item model is a flat texture. In the textures tag, layer0 is set to the texture set for this item; in this case, the texture is called red_bed and is found in the assets/minecraft/textures/item folder. The "red" can be changed out for all other colors of bed, but each must be put in a separate JSON file (e.g., black_bed.json, green_bed.json, etc.). There must be item texture files (which is what layer0 is requesting) for beds found in the textures/item folder; these textures can be found below: