diff --git a/main.py b/main_new.py
index 5435dc7..4d34981 100644
--- a/main.py
+++ b/main_new.py
@@ -18,8 +18,7 @@ parser.add_argument('--initsample', help='number of initial samples sent to' \
                     'sketch', default=1000)
 parser.add_argument('--max_iter', help='max number of iterations used by ' \
                     'sketch to solve each part', default=10)
-parser.add_argument('--mesh', help='location of the .off file',
-                    default='example/one_cube/csg.off')
+parser.add_argument('mesh', help='location of the .off file')
 parser.add_argument('--method', help='choose "sketch" or "genetic"',
                     default='sketch')
 parser.add_argument('--outdir', help='a folder to store all results',