diff --git a/horizontal_angle_bracket.scad b/horizontal_angle_bracket.scad
new file mode 100644
index 0000000..86f0286
--- /dev/null
+++ b/horizontal_angle_bracket.scad
@@ -0,0 +1,92 @@
+$fn=33;
+
+height=40;
+hwidth=40;
+thickness=5;
+
+vthickness=20;
+vwidth=40.3;
+vheight=80;
+
+M3HoleDiam=3.4;
+
+holedistance=10;
+
+horizontalcenterholes=true;
+
+difference() {
+    frame();
+    holes();
+}
+
+module frame(){
+    // left tile 
+    cube([hwidth,thickness,height]);
+    translate([0,thickness,0]) sidetriangle();
+    translate([0,thickness,height - thickness]) sidetriangle();
+    
+    // left to back tile
+    translate([hwidth,0,0]) cube([thickness, vthickness, height]);
+    
+    // left triangle
+    translate([hwidth,thickness,height]) rotate([90, 0, 90]) middletriangle();
+
+    // covers upper edge of above
+    translate([hwidth, vthickness, 0]) cube([vwidth + thickness * 2, thickness, vheight]);
+
+// right to back tile
+    translate([hwidth + vwidth + thickness,0,0]) cube([thickness, vthickness, height]);
+    
+    // right triangle
+        translate([hwidth + vwidth + thickness,thickness,height]) rotate([90, 0, 90]) middletriangle();
+
+// right tile
+    translate([hwidth + vwidth + thickness * 2, 0, 0]) cube([hwidth,thickness,height]);
+    
+        translate([hwidth * 2 + vwidth + thickness * 2,thickness,thickness]) rotate([0, 180,0 ]) sidetriangle();
+        translate([hwidth * 2 + vwidth + thickness * 2,thickness,height]) rotate([0, 180,0 ]) sidetriangle();
+    
+}
+
+module middletriangle(){
+    linear_extrude(thickness) polygon([[0,0], [vthickness-thickness, 0], [vthickness-thickness, vheight-height]]);
+}
+
+module sidetriangle() {
+    linear_extrude(5) polygon([[0,0], [hwidth, 0], [hwidth, vthickness]]);
+}
+
+module holes() {
+    // left holes
+    leftholes();
+    
+    // right holes
+    translate([hwidth + vwidth + thickness * 2,0,0]) leftholes();
+    
+    // center holes
+    translate([hwidth + thickness,vthickness,0]) centerholes();
+}
+
+module leftholes(){
+    translate([holedistance, 0, holedistance]) XM3Hole();
+    translate([hwidth - holedistance, 0, holedistance]) XM3Hole();
+    translate([holedistance, 0, height - holedistance]) XM3Hole();
+    translate([hwidth - holedistance, 0, height - holedistance]) XM3Hole();
+}
+
+module centerholes() {
+    translate([holedistance, 0, holedistance]) XM3Hole();
+    translate([vwidth - holedistance, 0, holedistance]) XM3Hole();
+    translate([holedistance, 0, vheight - holedistance]) XM3Hole();
+    translate([vwidth - holedistance, 0, vheight - holedistance]) XM3Hole();
+    
+    if(horizontalcenterholes){
+    // center holes
+    translate([vwidth - holedistance, 0, vheight / 2]) XM3Hole();
+    translate([holedistance, 0, vheight / 2]) XM3Hole();
+    }
+}
+
+module XM3Hole() {
+    rotate([270,0,0])cylinder(h=thickness, d=M3HoleDiam);
+}
\ No newline at end of file