From c4aa61fc20547e9183bf6f4ca174e970f77180f3 Mon Sep 17 00:00:00 2001
From: Garth Minette <revarbat@gmail.com>
Date: Sun, 26 Dec 2021 18:39:10 -0800
Subject: [PATCH] Fixed orient() for 2D dir=

---
 attachments.scad | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/attachments.scad b/attachments.scad
index 018297c..b8c0b67 100644
--- a/attachments.scad
+++ b/attachments.scad
@@ -429,7 +429,9 @@ module orient(dir, anchor, spin) {
         assert(is_vector(dir));
         spin = default(spin, 0);
         assert(is_finite(spin));
-        rot(spin, from=UP, to=dir) children();
+        two_d = _attach_geom_2d($parent_geom);
+        fromvec = two_d? BACK : UP;
+        rot(spin, from=fromvec, to=dir) children();
     } else {
         assert(dir==undef, "Only one of dir= or anchor= may be given to orient()");
         assert($parent_geom != undef, "No parent to orient from!");