From 5c565be49c0070b67fec5f178d118269a7cc0a8c Mon Sep 17 00:00:00 2001
From: Andy Killorin <37423245+Speedy6451@users.noreply.github.com>
Date: Wed, 1 Nov 2023 15:27:45 -0500
Subject: [PATCH] calculate center of airfoil

---
 src/main.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 9e6f77e..096b52f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -99,7 +99,8 @@ fn strut(airfoil: &Airfoil, chord: f32, width: f32) -> ScadObject {
     let shape = scad!(Polygon(aerofoil));
 
     let strut_hole = {
-        let points = &airfoil.get_points()[0..80];
+        let points = airfoil.get_points();
+        let points = &points[0.. points.len() / 2];
         let perimeter = span_length(points);
         let span = points_in_range(&Vec::from(points), perimeter * 0.4.. perimeter);