trying to recall the last time i minted an nft that was truly free (no protocol fee) and the only one i can think of is @six's BLOCKS

speedtracer

/speedtracer is free to play and mint race result NFTs right now! Gas sponsored for smart wallets too. admittedly probably not the type of thing you’re thinking about, more a trophy than art or collectible

software engineer and onchain craftsperson

yeah really interested in seeing if i can onboard new crypto users

oh that's cool! i didn't realize. and yeah with sponsored gas it's free free