-`query` : Accepts `"x"`, `"y"` or `"t"`. `"x"` for the cell's x coordinate. `"y"` for the cell's y coordinate. `"t"` for the cell's type. The returned type will be `"NO_WALL"`, `"TOP_WALL"`, `"RIGHT_WALL"`, `"TOP_RIGHT_WALL"` or `"MASK"`.
## Examples
use <maze/mz_square_cells.scad>;
use <maze/mz_square_get.scad>;
use <line2d.scad>;
rows = 10;
columns = 10;
cell_width = 5;
wall_thickness = 2;
cells = mz_square_cells(rows, columns);
for(cell = cells) {
x = mz_square_get(cell, "x");
y = mz_square_get(cell, "y");
type = mz_square_get(cell, "t");;
translate([x, y] * cell_width) {
if(type == "TOP_WALL" || type == "TOP_RIGHT_WALL") {