added runner

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/runner.scad b/lib/runner.scad
new file mode 100644
index 0000000..d425105
--- /dev/null
+++ b/lib/runner.scad
@@ -0,0 +1,27 @@
+
+/*
+This file is used in models found in this repository.
+Copyright (C) 2024 Christian Hodgden
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+
+This program 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 Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+// OpenSCAD's default unit is millimeter
+module runner (length, width, frequency=10, thickness=1, height=0.1) {
+	for (i = [0:frequency:width]) {
+		translate([0, i, 0])
+			cube([length+thickness, thickness, height]);
+	}
+	for (i = [0:frequency:length]) {
+		translate([i, 0, 0])
+			cube([thickness, width+thickness, height]);
+	}
+	translate([0, width, 0])
+		cube([length+thickness, thickness, height]);
+	translate([length, 0, 0])
+		cube([thickness, width+thickness, height]);
+}