Huina 1580/580 thumb v3? rc excavator thumb

completely redesigned thumb with the use of a linear actuator to open and close the thumb to grab things.
almost 90 degrees of travel on the thumb! out of the way and ready to use at any time

i just used the ".20 strength" profile in petg. shouldn't need to support anything. might need to change the orientation

you'll need a 40MM Stroke, 4MM per S 150N, 12V linear actuator
3.5mm male audio jack to wire it in
M4 hardware up to 50mm
M3 hardware up to 50mm
heavy-duty mounting tape

Those with modded hydraulic arms might need or other RC excavators that might fit onto
brushed esc
a long female audio jack to provide aux power

transmitter/10+channel receiver