diff --git a/src/maze/mz_theta.scad b/src/maze/mz_theta.scad
new file mode 100644
index 00000000..f9e3f861
--- /dev/null
+++ b/src/maze/mz_theta.scad
@@ -0,0 +1,20 @@
+/**
+* mz_theta_cells.scad
+*
+* @copyright Justin Lin, 2020
+* @license https://opensource.org/licenses/lgpl-3.0.html
+*
+* @see https://openhome.cc/eGossip/OpenSCAD/lib3x-mz_theta_cells.html
+*
+**/
+
+use <_impl/_mz_theta_cells.scad>;
+
+function mz_theta_cells(rings, beginning_number, start = [0, 0], seed) =
+    let(
+		divided_ratio = 1.5,
+	    before_traveled = config_nbrs(init_theta_maze(rings, beginning_number, divided_ratio)), 
+        s = set_visited(before_traveled[start.x][start.y])
+	)
+	backtracker(
+	    update_maze(before_traveled, s), start, rings, seed);