diff -r 74801c0f2709 -r 9cb74db14c42 tools/axis_speedtest.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/axis_speedtest.py	Sun Sep 09 00:21:30 2018 +0200
@@ -0,0 +1,43 @@
+import argparse
+
+def gen_speedtest(args):
+    fd = open(args.file, 'wb')
+
+    if args.axis.lowercase() == 'x':
+        pos = [0, args.dx]
+        print(fd, "G0 y%i F%i" % (
+            args.dy / 2, args.min * 60))
+    else:
+        pos = [0, args.dy]
+        print(fd, "G0 x%i F%i" % (
+            args.dx / 2, args.min * 60))
+
+    loops = (args.max - args.min) / args.increment
+    speed = args.min
+    for loop in range(loops):
+        print(fd, "G0 %s%i F%i" % (
+            args.axis, pos[0], speed * 60))
+        print(fd, "G0 %s%i F%i" % (
+            args.axis, pos[1], speed * 60))
+
+        speed += args.inc
+
+    fd.close()
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("axis", help="Define X or Y axis")
+    parser.add_argument("file", help="Output gcode filename")
+    parser.add_argument("--min", type=int, default=100, help="Minimum speed mm/s (100)")
+    parser.add_argument("--max", type=int, default=200, help="Maximum speed mm/s (200)")
+    parser.add_argument("--dx", type=int, default=200, help="Maximum X dimension (200)")
+    parser.add_argument("--dy", type=int, default=200, help="Maximum Y dimension (200)")
+    parser.add_argument("--inc", type=int, default=10, help="Speed increment after each line")
+
+    args = parser.parse_args()
+
+    gen_speedtest(args)
+
+if __name__ == '__main__':
+    main()
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