In the case of "Hot Legs Special," the tank-treaded base comes from the CAM-2 Catspaw:
and the arms come from the CAM-1 Rail Arms:
while the head, torso, and handgun are new components.
If you'd like to know more, check out the Facebook group:
There will be a Kickstarter project to launch the line, once more assets are in place.
very nice man.
did u see my other mech drawings.