My other propellers print flat on the build plate, but the scarring of the supports were excessive. I printed at a 45 degree and on the narrow edge. The scarring is so much less. And it is one of the coolest print that you will do. I recommend you use my print profile.

3 Walls

30% Fill

Snug Support

2 Raft Layers

Initial layer expansion 5mm

3 Skirt loops

Outer Brim Only

12mm Brim Width