diff --git a/src/cli/kiri-source.json b/src/cli/kiri-source.json
index dc95d54a..2aca4448 100644
--- a/src/cli/kiri-source.json
+++ b/src/cli/kiri-source.json
@@ -5,7 +5,6 @@
     "add/array",
     "add/class",
     "ext/three",
-    "ext/three-bgu",
     "add/three",
     "ext/clip2",
     "ext/earcut",
diff --git a/src/kiri-mode/cam/prepare.js b/src/kiri-mode/cam/prepare.js
index a9114798..e9f0085e 100644
--- a/src/kiri-mode/cam/prepare.js
+++ b/src/kiri-mode/cam/prepare.js
@@ -606,7 +606,7 @@ function prepEach(widget, settings, print, firstPoint, update) {
             return start;
         }
         let ltops = tops[depth];
-        let fitted = fit ? ltops.filter(poly => poly.isInside(fit, 0.01)) : ltops;
+        let fitted = fit ? ltops.filter(poly => poly.isInside(fit, 0.05)) : ltops;
         let ftops = fitted.filter(top => !top.level_emit);
         if (ftops.length > 1) {
             ftops = POLY.route(ftops, start);