update to 3.0

docs/lib3x-line3d.md

@@ -6,7 +6,7 @@ Creates a 3D line from two points.
 
 - `p1` : 3 element vector `[x, y, z]`.
 - `p2` : 3 element vector `[x, y, z]`.
-- `thickness` : The line thickness.
+- `diameter` : The line diameter. Default to 1.
 - `p1Style` : The end-cap style of the point `p1`. The value must be `"CAP_BUTT"`, `"CAP_CIRCLE"` or `"CAP_SPHERE"`. The default value is `"CAP_CIRCLE"`. 
 - `p2Style` : The end-cap style of the point `p2`. The value must be `"CAP_BUTT"`, `"CAP_CIRCLE"` or `"CAP_SPHERE"`. The default value is `"CAP_CIRCLE"`. 
 - `$fa`, `$fs`, `$fn` : Used by the `circle` or `sphere` module internally. Check [the circle module](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#circle) or [the sphere module](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Primitive_Solids#sphere) for more details. The final fragments of a circle will be a multiple of 4 to fit edges.
@@ -18,34 +18,34 @@ Creates a 3D line from two points.
 	line3d(
 	    p1 = [0, 0, 0], 
 	    p2 = [10, 2, 10], 
-	    thickness = 1,
+	    diameter = 1,
         $fn = 24
 	);   
 
-![line3d](images/lib2x-line3d-1.JPG)
+![line3d](images/lib3x-line3d-1.JPG)
 
     use <line3d.scad>;
 	
 	line3d(
 	    p1 = [0, 0, 0], 
 	    p2 = [10, 2, 10], 
-	    thickness = 1, 
+	    diameter = 1, 
 	    p1Style = "CAP_BUTT", 
 	    p2Style = "CAP_BUTT",
         $fn = 24
 	);   
 
-![line3d](images/lib2x-line3d-2.JPG)
+![line3d](images/lib3x-line3d-2.JPG)
 			   
     use <line3d.scad>;
     
     line3d(
         p1 = [0, 0, 0], 
         p2 = [10, 2, 10], 
-        thickness = 1, 
+        diameter = 1, 
 	    p1Style = "CAP_SPHERE", 
 	    p2Style = "CAP_SPHERE",
         $fn = 24
     );   
 
-![line3d](images/lib2x-line3d-3.JPG)
+![line3d](images/lib3x-line3d-3.JPG)