From 96ad1c669e7f710ce34935f1bfae6c341cc9de55 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Tue, 11 Jan 2022 10:04:07 -0500
Subject: [PATCH] stamp stl header

---
 src/mesh/work.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mesh/work.js b/src/mesh/work.js
index d7d51fd0..b411dd5a 100644
--- a/src/mesh/work.js
+++ b/src/mesh/work.js
@@ -99,6 +99,7 @@ let object = {
 
 let file = {
     export(data, send) {
+        let header = `# Generated By Mesh:Tool @ https://grid.space/mesh (units = millimeters)`;
         let { format, recs } = data;
         let vtot = 0;
         for (let rec of recs) {
@@ -109,7 +110,7 @@ let file = {
         switch (format) {
             case "obj":
                 let p = 1;
-                let obj = [`# Generated By Mesh:Tool @ https://grid.space/mesh (units = millimeters)`];
+                let obj = [header];
                 for (let rec of recs) {
                     let { id, matrix, file, varr } = rec;
                     obj.push(`g ${file}`);
@@ -125,6 +126,9 @@ let file = {
                 let stl = new Uint8Array(80 + 4 + vtot/3 * 50);
                 let dat = new DataView(stl.buffer);
                 let pos = 84;
+                header.split('').forEach((c,i) => {
+                    dat.setUint8(i, c.charCodeAt(0));
+                });
                 // todo put Kiri:Moto info in header
                 dat.setInt32(80, vtot/3, true);
                 for (let rec of recs) {