diff --git a/src/constants.rs b/src/constants.rs
index 72ed5a3..0331d20 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -11,7 +11,7 @@ pub const STRUTS: usize = 12;
 pub const CARDBOARD_WIDTH: f32 = 2.4;
 /// length of each side of the triangular spar
 pub const SPAR_SIDE_WIDTH: f32 = 0.75 * IN2MM;
-pub const FUSELAGE_GAP: f32 = 2.0 * IN2MM;
+pub const FUSELAGE_GAP: f32 = 0.4 * IN2MM;
 /// a very large number, used to place unknown objects such that they do not intersect
 pub const INF: f32 = 1000.0;
 pub const RUDDER_HEIGHT: f32 = 5.0 *IN2MM;
diff --git a/src/main.rs b/src/main.rs
index 0566fe6..7d83d80 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -35,6 +35,7 @@ fn main() {
     let mut wing_transform = scad!(Translate(vec3(0.0,0.0,0.0)));
 
     // struts
+    let mut symetric_spar = scad!(Union);
     for port in [true,false] {
         let mut wing = wing(&wing_airfoil, STRUTS/2, WINGSPAN/2.0, CHORD, CHORD * WING_TAPER, SparType::Top);
         let top_spar = topwing_spar(&wing_airfoil, STRUTS/2, WINGSPAN/2.0, CHORD, CHORD * WING_TAPER);
@@ -44,7 +45,8 @@ fn main() {
 
         wing.add_child(scad!(NamedColor("red".to_string()); top_spar_neg.clone()));
 
-        register_part(scad!(Projection(false); top_spar_neg));
+        symetric_spar.add_child(top_spar_neg);
+
         wing = scad!(Translate(vec3(0.0, FUSELAGE_GAP,0.0)); wing);
         if port {
             wing = scad!(Mirror(vec3(0.0, 1.0, 0.0)); wing);
@@ -52,6 +54,12 @@ fn main() {
         wing_transform.add_child(wing);
     }
 
+    // fuselage affixment point
+    symetric_spar.add_child(centered_cube(vec3(CHORD, FUSELAGE_GAP*2.0, 1.0), (false,true,false)));
+    wing_transform.add_child(symetric_spar.clone());
+    register_part(scad!(Projection(false); symetric_spar));
+
+
 
     // spars
 
@@ -69,17 +77,23 @@ fn main() {
 
     // elevator
     let mut elevator = scad!(Translate(vec3(LENGTH-ELEVATOR_CHORD, 0.0,0.0)));
+    let mut symetric_spar = scad!(Union);
     for port in [true,false] {
         let mut wing = wing(&wing_airfoil, ELEVATOR_STRUTS, ELEVATOR_HEIGHT, ELEVATOR_CHORD, ELEVATOR_CHORD * ELEVATOR_TAPER, SparType::Top);
+        let top_spar = topwing_spar(&wing_airfoil, ELEVATOR_STRUTS, ELEVATOR_HEIGHT, ELEVATOR_CHORD, ELEVATOR_CHORD * ELEVATOR_TAPER);
+        let mut top_spar_neg = scad!(Difference; top_spar);
+        top_spar_neg.add_child(wing.clone());
+        symetric_spar.add_child(top_spar_neg.clone());
         wing = scad!(Translate(vec3(0.0, FUSELAGE_GAP,0.0)); wing);
         if port {
             wing = scad!(Mirror(vec3(0.0, 1.0, 0.0)); wing);
         }
         elevator.add_child(wing);
     }
-    elevator.add_child(spar(ELEVATOR_HEIGHT*2.0+FUSELAGE_GAP*2.0, true));
     scad_file.add_object(elevator);
 
+    symetric_spar.add_child(centered_cube(vec3(CHORD, FUSELAGE_GAP*2.0, 1.0), (false,true,false)));
+    register_part(scad!(Projection(false); symetric_spar));
 
 
     let cardboard = vec3(0.38, 0.26, 0.26);