Models View all Toroidal Propeller based on STRIKING FPV's tutorial 12mm diameter with 5.2mm hole for shaft. 6 279 0 e-Foil Toroidal Propeller Blades 11 258 3 Ditto v2 6 177 0 Lacrosse Helmet (wip) 1 61 0 Grill 6 44 0 Tesseract 8 39 0 Education Carleton University Industrial Design