diff --git a/src/main.rs b/src/main.rs
index b851060..dedbbca 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -184,7 +184,7 @@ fn wing(wing_airfoil: &SeligFile, wing_config: &WingConfig, spar: SparType) -> (
             // TODO: taper
             let mut mid_spar = scad!(Hull);
             let bottom = centered_cube(vec3(wing_config.chord * (MIDSPAR_RANGE.end - MIDSPAR_RANGE.start) , CARDBOARD_WIDTH, CARDBOARD_WIDTH), (false, false, true));
-            let mut top = scad!(Translate(vec3(0.0, wing_config.length - CARDBOARD_WIDTH, 0.0)));
+            let mut top = scad!(Translate(vec3(wing_config.taper * MIDSPAR_RANGE.start * wing_config.chord - MIDSPAR_RANGE.start * wing_config.chord, wing_config.length, 0.0)));
             top.add_child(scad!(Scale(vec3(wing_config.taper, 1.0, 1.0)); bottom.clone()));
             mid_spar.add_child(top);
             mid_spar.add_child(bottom);
@@ -241,17 +241,16 @@ fn strut(airfoil: &SeligFile, chord: f32, width: f32, spar: &SparType) -> Constr
 
     let extrude = LinExtrudeParams {
         height: width,
-        center: true,
         ..Default::default()
     };
 
     let unit: Vector3<f32> = Vector3::new(1.0, 1.0, 1.0);
     let scaled = scad!(Scale(unit * chord); shape);
     parts.push(scaled.clone());
-    let strut = scad!(LinearExtrude(extrude); scaled);
-    let rotated = scad!(Rotate(90.0, vec3(1.0, 0.0, 0.0)); strut);
+    let mut strut = scad!(LinearExtrude(extrude); scaled);
+    strut = scad!(Rotate(-90.0, vec3(1.0, 0.0, 0.0)); strut);
     Construct {
-        visualization: rotated,
+        visualization: strut,
         parts,
     }
 }