HAM-STD HS1-620 Airfoil Micro Drone Propeller (31.01g thrust @3V)

**Note: At 1.5V it barely generated any thrust. Left it for a while thinking something's wrong, but it just hanged at around 0.72-0.75 grams... Weird.**
The propeller was designed by using the **HAM-STD HS1-620** airfoil. All testing was done on the **[Micro Drone Propeller Thrust Tester](http://www.thingiverse.com/thing:2302071)** (test results provided below).

The part was printed with slow speed, with a **[0.2 extruder nozzle](http://amzn.to/2qQdFvg)** at 0.04mm layer height. The print wa