From c8774a157e3d022ebbf45c71bf0b205a5078eca4 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Mon, 8 Nov 2021 22:46:25 -0500
Subject: [PATCH] fix last extruder and purge tower typo

---
 src/mode/fdm/prepare.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mode/fdm/prepare.js b/src/mode/fdm/prepare.js
index cf5ac76c..1572762a 100644
--- a/src/mode/fdm/prepare.js
+++ b/src/mode/fdm/prepare.js
@@ -280,7 +280,7 @@
                     layer.last().retract = true;
                 }
                 start = print.polyPrintPath(rec.poly.clone().setZ(z), start, layer, {
-                    tool: using || nozzle,
+                    tool: using !== undefined ? using : nozzle,
                     open: true,
                     simple: true
                 });
@@ -415,7 +415,7 @@
                     }
                 );
                 lastOut = slice;
-                lastExt = lastOut.ext
+                lastExt = lastOut.extruder;
                 lastPoly = slice.lastPoly;
                 lastLayer = layerout;
                 if (layerRetract && layerout.length) {