diff --git a/parameterized_cube.scad b/parameterized_cube.scad
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+++ b/parameterized_cube.scad
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+// Parameterized cube module with optional rounded edges and hollow interior
+module param_cube(
+    size = [50, 50, 50],  // [x, y, z] dimensions
+    center = true,        // center the cube
+    wall_thickness = 2,   // wall thickness for hollow cube (0 for solid)
+    corner_radius = 0,    // radius for rounded corners (0 for sharp corners)
+    $fn = 32             // resolution for rounded corners
+) {
+    // Validate inputs
+    assert(len(size) == 3, "Size must be a vector of [x, y, z] dimensions");
+    assert(wall_thickness >= 0, "Wall thickness must be non-negative");
+    assert(corner_radius >= 0, "Corner radius must be non-negative");
+    
+    // Create solid or hollow cube
+    difference() {
+        // Outer cube
+        if (corner_radius > 0) {
+            // Rounded cube using minkowski
+            minkowski() {
+                cube([
+                    size[0] - 2 * corner_radius,
+                    size[1] - 2 * corner_radius,
+                    size[2] - 2 * corner_radius
+                ], center = center);
+                sphere(r = corner_radius);
+            }
+        } else {
+            // Regular cube
+            cube(size, center = center);
+        }
+        
+        // Interior hollow (if wall_thickness > 0)
+        if (wall_thickness > 0) {
+            translate([0, 0, 0])
+            cube([
+                size[0] - 2 * wall_thickness,
+                size[1] - 2 * wall_thickness,
+                size[2] - 2 * wall_thickness
+            ], center = center);
+        }
+    }
+}
+
+// Example usage:
+// Basic cube
+param_cube([30, 30, 30]);