Walls come in many shapes and sizes, including matching sets with a 4×1 (base model), 8×2 ("large"), and 10×10 ("huge") which are each 20 centimeters thick. Because of their thickness (and therefore additional complexity), wall objects generally render less efficiently than panel objects, which can also be used for building the wall parts of houses.
To reduce the size of this list, the "wl" wall panel objects which were designed to work well with triangular walk objects and to match specific sets of wall objects have been moved to the panels list.
The following special objects in this category are restricted for use only by citizens who have been given the "Special Objects" privilege by the world's caretaker: