with a guess of 3500 ... 3dspider for the win!
Attachment 6526
the resin has a density of 1052. grams per liter so:
1052g / .12g = 8766.66 of these drone props per liter or resin.
$60 / 8766 = .0684 cents per prop
so for all 4 props in this tiny quad copter your looking at about 3 cents.
scrub to 0:43 to see this prop in action:
https://www.youtube.com/watch?v=O6zEqTf222c
