diff --git a/3d-printing/files/scad/lampe_down_block.scad b/3d-printing/files/scad/lampe_down_block.scad
new file mode 100644
index 0000000..339aef1
--- /dev/null
+++ b/3d-printing/files/scad/lampe_down_block.scad
@@ -0,0 +1,41 @@
+$fn =100; 
+
+difference(){
+union(){
+difference(){
+difference(){
+
+// outer shell    
+union(){
+   translate([10/2,0,0]) cube([10,75,15],center=true);  
+    
+difference(){
+cylinder(d=75, h=15, center = true);
+    translate([75/4,0,0]) cube([75/2,75,16],center=true); 
+}
+}
+
+// inner schell
+translate([0,0,-1]){
+union(){
+   translate([(10-3)/2,0,0]) cube([10-3/4,75-3,15],center=true);  
+    
+difference(){
+cylinder(d=75-3, h=15, center = true);
+    translate([(75-3)/4,0,0]) cube([(75-3)/2,(75-1.5),16],center=true); 
+}
+}
+}
+}
+translate([10,0,(15/2)]) rotate([0,90,90]) cylinder(d=10, h=10, center = true); 
+}
+difference(){
+     
+translate([-1,0,(15/2)-(9/2)])rotate([0,15,0])cylinder(h=9,d=6+3, center= true);
+    translate([-20/2,-20/2,15/2])cube(20);
+}  
+}
+translate([-1,0,(15/2)-(9/2)])rotate([0,15,0])cylinder(h=9+4,d=6, center = true); 
+
+translate([-23/2 -18 ,-22/2,5])cube([23,23,10]);
+} 
\ No newline at end of file