From f5d234da3145fe166571a23dc66bb9015677d688 Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Thu, 25 Sep 2025 21:31:54 -0400
Subject: [PATCH] revert new thin default until codec updated

---
 src/kiri/core/conf.js     | 2 +-
 src/kiri/mode/fdm/post.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/kiri/core/conf.js b/src/kiri/core/conf.js
index febd09c0..3153c01f 100644
--- a/src/kiri/core/conf.js
+++ b/src/kiri/core/conf.js
@@ -338,7 +338,7 @@ export const conf = {
                 outputLoops: 0,
                 outputInvertX: false,
                 outputInvertY: false,
-                sliceDetectThin: "basic",
+                sliceDetectThin: "off",
                 sliceMinHeight: 0,
                 sliceAdaptive: false,
                 zHopDistance: 0.2,
diff --git a/src/kiri/mode/fdm/post.js b/src/kiri/mode/fdm/post.js
index 826c2566..34458f49 100644
--- a/src/kiri/mode/fdm/post.js
+++ b/src/kiri/mode/fdm/post.js
@@ -114,7 +114,7 @@ function offset_default(params) {
 
     // look for close points on adjacent segmented polys and merge
     let test_polys = first !== last ? [ ...first, ...last ] : last;
-    let test_flats = POLY.flatten(test_polys);
+    let test_flats = POLY.flatten(test_polys ?? []);
 
     // pre-compute segment angles
     for (let poly of test_flats)