diff --git a/STL/Struts/I-strut.stl b/STL/Struts/I-strut.stl
index 78dc940..083d948 100644
Binary files a/STL/Struts/I-strut.stl and b/STL/Struts/I-strut.stl differ
diff --git a/STL/Struts/I-strut_with_eyelets.stl b/STL/Struts/I-strut_with_eyelets.stl
index 8c18706..5d9b834 100644
Binary files a/STL/Struts/I-strut_with_eyelets.stl and b/STL/Struts/I-strut_with_eyelets.stl differ
diff --git a/STL/Struts/x-strut.stl b/STL/Struts/x-strut.stl
index fae4015..8b6443f 100644
Binary files a/STL/Struts/x-strut.stl and b/STL/Struts/x-strut.stl differ
diff --git a/struts.scad b/struts.scad
index 3ff44d1..7f66a0f 100644
--- a/struts.scad
+++ b/struts.scad
@@ -51,6 +51,7 @@ Indent_Backside = 0; // [0:No, 1:Yes ]
 // **********************
 // ** Static Settings: **
 // **********************
+include<ft_util.scad> 
 
 // $fn = 50; 
 $fa = 0.5; // default minimum facet angle is now 0.5