Found this shoe rack on amazon that seemed like a perfect way to store my spools of filament; only problem was the virtical spacing was a little tight so putting spools on and taking them off the rack required tilting the spools sideways or just brute forcing them in and out. So I decided to try to find a way to fix that and I came up with this.
It fits a 13mm rod, slightly loosely but that was intentional for me.

No supports are needed.
15% infill

I didn't need a brim on my P1P but I would suggest using it for printers with horizontal moving beds (bed slingers).

Here's the url to the rack I got from amazon - https://www.amazon.com/dp/B09Q678QVP?psc=1&ref=ppx_yo2ov_dt_b_product_details