krok:

snippywizard:

helicopter mechs articulating with their rotor blade
‘wings’ like: 

-happy up and down movements, blades twitching on their
own

– sad? blades r pointing down!

– or moving each blade on their own for mixed feelings

and when the mech’s really excited this shit happens:

image

helis using their rotor blades to stim like built in fidget spinners!!

helis using them to stim by wiggling them back and forth when theyre happy!!

helis making ther rotors tilt to the side when confused

helis idly letting them just spin slowly when theyre relaxed