Metal Hatchframe

The Metal Hatchframe is the third available hatchframe. A hatchframe functions as a ceiling, providing protection from the elements and giving bonuses to hypo- and hyperthermic insulation, but with the addition of a hole to allow entrance and exit.

Construction
A Metal Hatchframe can be placed on any, , (with the exception of the ), , or another hatchframe. A can be placed in the hole and locked to provide a way to restrict access to the structure while still allowing you and your tribemates a way through. A hatchframe requires support from a nearby foundation or pillar in order to be placed. The hatchframe can only be placed up to 2 ceilings away in any direction on the x or y-axis, and up to 1 ceiling away diagonally from a wall or another ceiling that is directly above a connected foundation or pillar. The hatchframes on the far ends of this setup will not be able to support walls.