diff --git a/src/brulijam/shapebuilder.lua b/src/brulijam/3D-Drucker.lua
similarity index 97%
rename from src/brulijam/shapebuilder.lua
rename to src/brulijam/3D-Drucker.lua
index f6e63b6..0797486 100644
--- a/src/brulijam/shapebuilder.lua
+++ b/src/brulijam/3D-Drucker.lua
@@ -1,14 +1,16 @@
--- shapebuilder using https://minecraftshapes.com/
+-- 3D Drucker using https://minecraftshapes.com/
+
+-- dimensions of the matrix
+length = 6
+
+
+
 
 basic = require("lib.basic")
 
 -- pixel size from the generator, should be constant
 steps = 18
 
--- dimensions of the matrix
-length = 6
-
-
 -- see if the file exists
 function file_exists(file)
   local f = io.open(file, "rb")