I made this coaster set holder specifically for the SF 49ers design… https://makerworld.com/en/models/108816#profileId-116249
This holds six coasters.
For non slip and stability you can add bumpers to the four recesses on the bottom… https://www.amazon.com/Ehanmu-Self-Adhesive-Rubber-Bumpons-Diameter/dp/B06XCNM69B/ref=sr_1_2?dib=eyJ2IjoiMSJ9.67zJMieLTvO1PCYdV3XD7FHEzeDnilcSBYxRnNUGadDDyOfosPHYbrc9_wDhGHnFPe0p0tjs-Ma2HnChsP5llw.LPGIUDJL89OLDKomettJ91cqZACLTgbTltgr17OCYVY&dib_tag=se&keywords=bumper%2Bfeet%2B1%2F4%22&qid=1703701734&s=hardware&sr=1-2&th=1
Print six coasters and this holder for a beautiful set!