If you need to explore a tight space or pull something from one point to another this Squeeze Exploratory Robot looks like it would be up to the task. The older Holio Robot was taller and had wheels instead of treads.
Via: HG Comments
” He crawls around between rafters and floor boards. His main role is to pull network cables and alarm across roof spaces too small for people. His alternative role is to explore such spaces for cable routes.
- Small and flat: 3.25″ tall, 7.25″ long and about 8″ long to the bottom of the antenna pivot.
- Images are returned via a 2.4GHz camera.
- The treads are motivated by digital servos modified for continuous rotation. They are built into the tread frame as not to take up any space in the central body. Yes, he’s slow but actually very powerful.”