diff --git a/Gridfinity/Rulers/ruler.3mf b/Gridfinity/Rulers/ruler.3mf
new file mode 100644
index 0000000..87aa49b
--- /dev/null
+++ b/Gridfinity/Rulers/ruler.3mf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69e05141c8988ce47c14eef8fd7040cd5f8aa27c1dafb16be3a9193779f31325
+size 38146
diff --git a/Gridfinity/Rulers/ruler.scad b/Gridfinity/Rulers/ruler.scad
new file mode 100644
index 0000000..6cc26d1
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+++ b/Gridfinity/Rulers/ruler.scad
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+include <../../lib/gridfinity-rebuilt-openscad/gridfinity-rebuilt-utility.scad>
+
+// There are 2 variants of the rulers, 2 "small" ones and 2 "large" ones.
+
+// bin height. See bin height information and "gridz_define" below.  
+gridz = 2;
+// determine what the variable "gridz" applies to based on your use case
+gridz_define = 0; // [0:gridz is the height of bins in units of 7mm increments - Zack's method,1:gridz is the internal height in millimeters, 2:gridz is the overall external height of the bin in millimeters]
+
+thicknessSmall = 1.25;
+thicknessLarge = 1.25;
+widthSmall = 21.00;
+widthLarge = 28.00;
+depth = 7 * gridz - 5;
+// The positioning and gaps between the rulers
+gap = 8.4;
+offset = -10;
+// slide the rules slightly along the X axis to make them easier to grab
+xSlide = 3;
+xOffset = -14;
+// Put the rulers at a slight angle so they are easier to grab
+rot = -18;
+
+
+module __hide_parameters() {};
+
+$fn = $preview ? 12 : 24;
+/* [General Settings] */
+// number of bases along x-axis
+gridx = 1;  
+// number of bases along y-axis   
+gridy = 1;  
+
+/* [Compartments] */
+// number of X Divisions (set to zero to have solid bin)
+divx = 0;
+// number of y Divisions (set to zero to have solid bin)
+divy = 0;
+
+/* [Height] */
+// overrides internal block height of bin (for solid containers). Leave zero for default height. Units: mm
+height_internal = 0; 
+// snap gridz height to nearest 7mm increment
+enable_zsnap = false;
+
+/* [Features] */
+// the type of tabs
+style_tab = 5; //[0:Full,1:Auto,2:Left,3:Center,4:Right,5:None]
+// how should the top lip act
+style_lip = 0; //[0: Regular lip, 1:remove lip subtractively, 2: remove lip and retain height]
+// scoop weight percentage. 0 disables scoop, 1 is regular scoop. Any real number will scale the scoop. 
+scoop = 1; //[0:0.1:1]
+// only cut magnet/screw holes at the corners of the bin to save uneccesary print time
+only_corners = false;
+
+/* [Base] */
+style_hole = 3; // [0:no holes, 1:magnet holes only, 2: magnet and screw holes - no printable slit, 3: magnet and screw holes - printable slit, 4: Gridfinity Refined hole - no glue needed]
+// number of divisions per 1 unit of base along the X axis. (default 1, only use integers. 0 means automatically guess the right division)
+div_base_x = 0;
+// number of divisions per 1 unit of base along the Y axis. (default 1, only use integers. 0 means automatically guess the right division)
+div_base_y = 0; 
+
+
+difference() {
+  color("tomato") {
+  gridfinityInit(gridx, gridy, height(gridz, gridz_define, style_lip, enable_zsnap), height_internal) {
+
+      if (divx > 0 && divy > 0)
+      cutEqual(n_divx = divx, n_divy = divy, style_tab = style_tab, scoop_weight = scoop);
+  }
+  gridfinityBase(gridx, gridy, l_grid, div_base_x, div_base_y, style_hole, only_corners=only_corners);
+
+  }
+
+  for (i = [0:1:3]) {
+    thickness = i < 2 ? thicknessSmall : thicknessLarge;
+    width = i < 2 ? widthSmall : widthLarge;
+    extraXOffset = i < 2 ? 0 : -7;
+    taperDepth = 5;
+    taperRatio = 1.2;
+    taperWidth = width * taperRatio;
+
+    translate([xOffset + extraXOffset + xSlide * i, gap * i + offset, 5.4])
+      rotate([0, 0, rot])
+      union() {
+        translate([taperWidth / 2.5, thickness / 2, depth - taperDepth])
+          linear_extrude(height = taperDepth, scale = [taperRatio, 3])
+          // move square a bit to get a taper equal on both sides
+          translate([-taperWidth / 2.5, -thickness / 2, 0])
+          square(size=[width, thickness]);
+        cube([width, thickness, depth]);
+      }
+  }
+}
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