From b699fed759006e49df0d19c7b85a44510ffd5c4a Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Mon, 23 May 2022 10:36:15 -0400
Subject: [PATCH] fix min area offsetting for tiny tools used in roughing

---
 src/kiri-mode/cam/ops.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kiri-mode/cam/ops.js b/src/kiri-mode/cam/ops.js
index b8445e23..5d8ae91a 100644
--- a/src/kiri-mode/cam/ops.js
+++ b/src/kiri-mode/cam/ops.js
@@ -249,7 +249,7 @@ class OpRough extends CamOp {
 
             // inset offset array by 1/2 diameter then by tool overlap %
             offset = POLY.offset(nest, [-(toolDiam / 2 + roughLeave), -toolDiam * op.step], {
-                minArea: 0.1,
+                minArea: Math.min(0.01, toolDiam * op.step / 4),
                 z: slice.z,
                 count: 999,
                 flat: true,