Mostly complete from the Python original

src/main.cpp

@@ -0,0 +1,16 @@
+#include <QApplication>
+
+#include "window.h"
+#include "mesh.h"
+#include "glmesh.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+
+    Window window;
+    window.show();
+
+    window.load_stl("../../splitter/cayman.stl");
+    return a.exec();
+}