diff --git a/Toothbrush holder.scad b/Toothbrush holder.scad
index 2b2b0cf..f5bf613 100644
--- a/Toothbrush holder.scad
+++ b/Toothbrush holder.scad
@@ -1,108 +1,93 @@
-$fn=100;
-dis=35;
-hei=20;
-scr1=0;
-scr2=0;
+$fn = 100;
+dis = 35;
+hei = 20;
+screw_holes = false;
+scr1 = 0;
+scr2 = 0;
 
-module base_holder() {
-    union() {
-        difference() {
-            union(){
-                hull() {
-                    translate([-4,-4,-0])cube([1,8,5]);
-                    translate([12.5-13-19.8,-7.5,-0])cube([0.0001,15,5]);
+module base_holder()
+{
+    union()
+    {
+        difference()
+        {
+            union()
+            {
+                hull()
+                {
+                    translate([ -4, -4, -0 ]) cube([ 1, 8, 5 ]);
+                    translate([ 12.5 - 13 - 19.8, -7.5, -0 ]) cube([ 0.0001, 15, 5 ]);
                 }
-                translate([0,0,0])scale([3.3,2.75,0.5])cylinder(d=12,h=10);
+                translate([ 0, 0, 0 ]) scale([ 3.3, 2.75, 0.5 ]) cylinder(d = 12, h = 10);
             }
-            translate([7,-18,-1])cube([15,36,10]);
-            translate([0,0,-1])scale([3.3,2.75,0.5])cylinder(d=10,h=14);
+            translate([ 7, -18, -1 ]) cube([ 15, 36, 10 ]);
+            translate([ 0, 0, -1 ]) scale([ 3.3, 2.75, 0.5 ]) cylinder(d = 10, h = 14);
         }
-        translate([7,13.93,0])cylinder(h=5,d=2.95);
-        translate([7,-13.93,0])cylinder(h=5,d=2.95);
+        translate([ 7, 13.93, 0 ]) cylinder(h = 5, d = 2.95);
+        translate([ 7, -13.93, 0 ]) cylinder(h = 5, d = 2.95);
     }
 }
 
-union() {
-    for (i=[0:3]) {
-        translate([0,dis*i,0]) base_holder();
+union()
+{
+    for (i = [0:3]) {
+        translate([ 0, dis * i, 0 ]) base_holder();
     };
-    translate([-.5,0,0]) difference() {
-        translate([-23,-7.5,0])cube([3.5,dis*3+15,5]) ;
-        translate([-23.5,dis*0.5,2.5])rotate([0,90,0])cylinder(h=10,d=scr1);
-        translate([-20.4,dis*0.5,2.5])rotate([0,90,0])cylinder(h=1,d1=4,d2=scr2);
-        translate([-23.5,dis*2.5,2.5])rotate([0,90,0])cylinder(h=4,d=scr1);
-        translate([-20.4,dis*2.5,2.5])rotate([0,90,0])cylinder(h=1,d1=4,d2=scr2);
-    }
-};
-//p2
-union() {
-translate([-0.5,0,hei]) union() {
-    translate([0,0,0]) difference() {
-    union(){
-        hull() {
-            translate([-4,-4,-0])cube([1,8,5]);
-            translate([12.5-13-19.8,-7.5,-0])cube([0.0001,15,5]);
+    translate([ -.5, 0, 0 ]) difference()
+    {
+        translate([ -23, -7.5, 0 ]) cube([ 3.5, dis * 3 + 15, 5 ]);
+        if (screw_holes) {
+            translate([ -23.5, dis * 0.5, 2.5 ]) rotate([ 0, 90, 0 ]) cylinder(h = 10, d = scr1);
+            translate([ -20.4, dis * 0.5, 2.5 ]) rotate([ 0, 90, 0 ])
+                cylinder(h = 1, d1 = 4, d2 = scr2);
+            translate([ -23.5, dis * 2.5, 2.5 ]) rotate([ 0, 90, 0 ]) cylinder(h = 4, d = scr1);
+            translate([ -20.4, dis * 2.5, 2.5 ]) rotate([ 0, 90, 0 ])
+                cylinder(h = 1, d1 = 4, d2 = scr2);
         }
-        translate([0,0,0])cylinder(h=5,d=10);
     }
-    
-    hull() {
-        translate([0,0,-1])cylinder(h=7,d=8);
-        translate([1,0,-1])cylinder(h=7,d=7.5);
-    }
-    translate([2,-18,-1])cube([15,36,10]);
 };
-        translate([0,dis,0]) difference() {
-    union(){
-        hull() {
-            translate([-4,-4,-0])cube([1,8,5]);
-            translate([12.5-13-19.8,-7.5,-0])cube([0.0001,15,5]);
-        }
-        translate([0,0,0])cylinder(h=5,d=10);
-    }
-    
-    hull() {
-        translate([0,0,-1])cylinder(h=7,d=8);
-        translate([1,0,-1])cylinder(h=7,d=7.5);
-    }
-    translate([2,-18,-1])cube([15,36,10]);
-};
-            translate([0,dis*2,0]) difference() {
-    union(){
-        hull() {
-            translate([-4,-4,-0])cube([1,8,5]);
-            translate([12.5-13-19.8,-7.5,-0])cube([0.0001,15,5]);
-        }
-        translate([0,0,0])cylinder(h=5,d=10);
-    }
-    
-    hull() {
-        translate([0,0,-1])cylinder(h=7,d=8);
-        translate([1,0,-1])cylinder(h=7,d=7.5);
-    }
-    translate([2,-18,-1])cube([15,36,10]);
-};
-                translate([0,dis*3,0]) difference() {
-    union(){
-        hull() {
-            translate([-4,-4,-0])cube([1,8,5]);
-            translate([12.5-13-19.8,-7.5,-0])cube([0.0001,15,5]);
-        }
-        translate([0,0,0])cylinder(h=5,d=10);
-    }
-    
-    hull() {
-        translate([0,0,-1])cylinder(h=7,d=8);
-        translate([1,0,-1])cylinder(h=7,d=7.5);
-    }
-    translate([2,-18,-1])cube([15,36,10]);
-};
-                    difference() {
-    translate([-23,-7.5,0])cube([3,dis*3+15,5]) ;
-    translate([-23.5,dis*0.5,2.5])rotate([0,90,0])cylinder(h=10,d=scr1);
-        translate([-20.9,dis*0.5,2.5])rotate([0,90,0])cylinder(h=1,d1=4,d2=scr2);
-    translate([-23.5,dis*2.5,2.5])rotate([0,90,0])cylinder(h=4,d=scr1);
-    translate([-20.9,dis*2.5,2.5])rotate([0,90,0])cylinder(h=1,d1=scr1,d2=scr2);
-};
+// p2
+
+module top_holder() {
+    difference()
+        {
+            union()
+            {
+                hull()
+                {
+                    translate([ -4, -4, -0 ]) cube([ 1, 8, 5 ]);
+                    translate([ 12.5 - 13 - 19.8, -7.5, -0 ]) cube([ 0.0001, 15, 5 ]);
+                }
+                translate([ 0, 0, 0 ]) cylinder(h = 5, d = 10);
+            }
+
+            hull()
+            {
+                translate([ 0, 0, -1 ]) cylinder(h = 7, d = 8);
+                translate([ 1, 0, -1 ]) cylinder(h = 7, d = 7.5);
+            }
+            translate([ 2, -18, -1 ]) cube([ 15, 36, 10 ]);
+        };
+}
+
+union()
+{
+    translate([ -0.5, 0, hei ]) union()
+    {
+        for (i = [0:3]) {
+            translate([ 0, dis * i, 0 ]) top_holder();
+        };
+        difference()
+        {
+            translate([ -23, -7.5, 0 ]) cube([ 3, dis * 3 + 15, 5 ]);
+            if (screw_holes) {
+                translate([ -23.5, dis * 0.5, 2.5 ]) rotate([ 0, 90, 0 ]) cylinder(h = 10, d = scr1);
+                translate([ -20.9, dis * 0.5, 2.5 ]) rotate([ 0, 90, 0 ])
+                    cylinder(h = 1, d1 = 4, d2 = scr2);
+                translate([ -23.5, dis * 2.5, 2.5 ]) rotate([ 0, 90, 0 ]) cylinder(h = 4, d = scr1);
+                translate([ -20.9, dis * 2.5, 2.5 ]) rotate([ 0, 90, 0 ])
+                    cylinder(h = 1, d1 = scr1, d2 = scr2);
+            }
+        };
     };
 };
\ No newline at end of file