ObjectiveTo report the first use of a novel projected augmented reality (AR) system in open sinonasal tumor resections in preclinical models and to compare the AR approach with an advanced intraoperative navigation (IN) system. MethodsFour tumor models were created. Five head and neck surgeons participated in the study performing virtual osteotomies. https://thegreensjunglebeautyshops.shop/product-category/refillable-palette/