diff --git a/app-proto/inversive-display/src/main.rs b/app-proto/inversive-display/src/main.rs
index 8afe8ef..c3b4a59 100644
--- a/app-proto/inversive-display/src/main.rs
+++ b/app-proto/inversive-display/src/main.rs
@@ -123,6 +123,7 @@ fn push_low_curv_construction(
     // push spheres
     let a = 0.75_f64.sqrt();
     sphere_vec.push(construction_to_world * engine::sphere(0.0, 0.0, 0.0, 1.0));
+    sphere_vec.push(construction_to_world * engine::sphere_with_offset(0.0, 0.0, 1.0, 0.0, 0.0));
     sphere_vec.push(construction_to_world * engine::sphere_with_offset(1.0, 0.0, 0.0, off1, curv1));
     sphere_vec.push(construction_to_world * engine::sphere_with_offset(-0.5, a, 0.0, off2, curv2));
     sphere_vec.push(construction_to_world * engine::sphere_with_offset(-0.5, -a, 0.0, off3, curv3));
@@ -132,6 +133,7 @@ fn push_low_curv_construction(
     
     // push colors
     color_vec.push([0.75_f32, 0.75_f32, 0.75_f32]);
+    color_vec.push([0.75_f32, 0.75_f32, 0.75_f32]);
     color_vec.push([1.00_f32, 0.00_f32, 0.25_f32]);
     color_vec.push([0.25_f32, 1.00_f32, 0.00_f32]);
     color_vec.push([0.00_f32, 0.25_f32, 1.00_f32]);