My alternative build for 42057. Extra pieces created into an articulated stand +13LMU high (inspired by Emmet's Thricycle stand in 70823) and 3 different fueling pumps are not shown. 3 pieces from
Lego Technic 42057 Ultralight Helicopter Set Builds Experimental Aircraft Only | eBay
Ultralight Helicopter 42057 | Technic™ | Buy online at the Official LEGO® Shop US