add models

models/garland/box.scad

@@ -0,0 +1,18 @@
+
+
+
+minkowski() {
+    difference(){
+cube([13.5+4,34,7+2],center=true);
+translate([0,2,0]){
+    cube([13.5,34,7],center=true);
+    translate([0,-18.5,0]){
+        cube([4,4,2],center=true);
+    }
+}
+}
+  cylinder(r=0.1, center=false);
+}
+
+
+render();