removed dead code

src/main.rs

@@ -227,14 +227,6 @@ impl Construct {
         }
     }
 
-    /// A construct with no parts
-    fn cosmetic(visualization: ScadObject) -> Self {
-        Construct {
-            visualization,
-            parts: Vec::new(),
-        }
-    }
-
     /// Convert to tuple
     /// (visualization, parts)
     fn tup(self) -> (ScadObject, Vec<ScadObject>) {
@@ -335,6 +327,7 @@ fn wing(
 
 enum SparType {
     /// No spar, just struts
+    #[allow(unused)]
     None,
     /// Spar along the top of the wing
     Top,