Swimmer-turned-OnlyFans creator Luana Alonso is getting the chance to turn her flippers into money makers ... with a popular sex doll company sending her an offer to team up and sell replicas of her feet!!
TMZ Sports obtained a letter form the folks at RealDoll ... which details how the retired Paraguayan Olympian can rake in a ton of dough with her toes -- while also giving the foot lovers out there something they can enjoy.
"At RealDoll, we pride ourselves on offering our clients unique, customized and life-like creations that help them connect with their fans in a truly personal way," the letter says.