From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 27 Apr 2025 23:32:06 +0000 (+0100)
Subject: diziet-utils: Provide ellipse
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=dd86fdfe1e18cbf5b3c3da8146ab798d357f4555;p=reprap-play.git

diziet-utils: Provide ellipse

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/diziet-utils/utils.scad b/diziet-utils/utils.scad
index e440b5f..6a0964d 100644
--- a/diziet-utils/utils.scad
+++ b/diziet-utils/utils.scad
@@ -49,3 +49,9 @@ module linextr_y_xz(y0,y1, convexity=20) { // XY turn into YZ
     linextr(y0,y1, convexity=convexity)
     children();
 }
+
+module ellipse(radii) {
+  r = max(radii[0], radii[1]);
+  scale(radii / r)
+    circle(r);
+}