Automobile / Car Vent Air Freshener

Air fresher for car / automobile vent. 2 grills need to be printed and 1 tray. I recommend starting with the tray with long clips as this is compatible with more vehicles. Fold a single piece of toilet paper folded into thirds twice and sandwitch it between the two grills. Insert the grills into the tray (I put the thicker edge of the grill down for strength.... and I point the slanted grill pieces toward the toilet paper so that drips roll in and not out. Put a few drops of essential oils