Added source code

utils/fillet.scad

@@ -0,0 +1,32 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+
+//
+//! Rounded fillet for adding to corners.
+//
+include <../core.scad>
+
+module fillet(r, h, center = false) //! Fillet with specified radius and height
+    extrude_if(h, center = center)
+        difference() {
+            translate([-eps, -eps, 0])
+                square(r + eps);
+
+            circle(r + eps);
+        }