5x4.5 (5045) bullnose props

full week tested on my Tough250 racing quad design, no breakages other than crash damages, not once failed in the air even at full throttle and during heavy maneuvers.

material: PLA
Heated bed temp: 75°
Extruder temp: 210°

material : ABS
Heated bed temp: 110°
Extruder temp: 240°