added svg part registry

Makefile

@@ -1,5 +1,24 @@
-out.scad: e393.selig src/*.rs
+build/%.scad: e393.selig src/*.rs
+	mkdir -p build
 	cargo run
 
 e393.selig:
 	curl http://airfoiltools.com/airfoil/seligdatfile?airfoil=e393-il > e393.selig
+
+build/%.png:  build/%.scad
+	OpenSCAD --colorscheme Metallic -o $@ $<
+
+build/%.svg:  build/%.scad
+	OpenSCAD -o $@ $<
+
+build/%.stl:  build/%.scad
+	OpenSCAD -o $@ $<
+
+.PHONY: svgs clean
+svgs: build/%.scad
+	ls build/part*.scad | sed 's/scad/svg/' | xargs make
+ 
+clean:
+	rm -rf build
+	rm *.selig
+

src/main.rs

@@ -1,3 +1,5 @@
+use std::sync::Mutex;
+
 use nalgebra::Vector3;
 use scad::*;
 use constants::*;
@@ -5,9 +7,11 @@ use selig::Airfoil;
 mod constants;
 mod selig;
 
+static PARTS: Mutex<Vec<ScadObject>> = Mutex::new(Vec::new());
+
 fn main() {
     let mut scad_file = ScadFile::new();
-    let mut parts: Vec<ScadObject> = Vec::new();
+    //let mut parts: Vec<ScadObject> = Vec::new();
 
     scad_file.set_detail(50);
 
@@ -35,7 +39,6 @@ fn main() {
         let mut transform = scad!(Translate(vec3(0.0, spacing ,0.0)));
 
         let strut = strut(&e393, CHORD * falloff, CARDBOARD_WIDTH);
-        parts.push(strut.clone());
         transform.add_child(strut);
         wing.add_child(transform);
     }
@@ -48,12 +51,11 @@ fn main() {
 
     scad_file.write_to_file(String::from("build/assembly.scad"));
 
-    for (idx, part) in parts.into_iter().enumerate() {
+    for (idx, part) in PARTS.lock().unwrap().to_owned().into_iter().enumerate() {
         let mut  file = ScadFile::new();
         file.set_detail(50);
         file.add_object(part);
         file.write_to_file(format!("build/part{idx}.scad"));
-
     }
 }
 
@@ -70,6 +72,7 @@ fn strut(airfoil: &Airfoil, chord: f32, width: f32) -> ScadObject {
 
     let unit: Vector3<f32> = Vector3::new(1.0, 1.0, 1.0);
     let scaled = scad!(Scale(unit * chord); shape);
+    register_part(scaled.clone());
     let strut = scad!(LinearExtrude(extrude); scaled);
     let rotated = scad!(Rotate(90.0, vec3(1.0, 0.0, 0.0)); strut);
     rotated
@@ -88,3 +91,7 @@ fn spar(length: f32) -> ScadObject {
 
     spar
 }
+
+fn register_part(part: ScadObject) {
+    PARTS.lock().unwrap().push(part);
+}