diff --git a/.gitignore b/.gitignore
index c376910..d9655b2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 matlab.mat
 
+out/
+
 # Created by https://www.toptal.com/developers/gitignore/api/matlab,microsoftoffice,latex
 # Edit at https://www.toptal.com/developers/gitignore?templates=matlab,microsoftoffice,latex
 
diff --git a/ogs_export.m b/ogs_export.m
index a38d990..a79b652 100644
--- a/ogs_export.m
+++ b/ogs_export.m
@@ -1,10 +1,14 @@
-function [] = ogs_export(G, strata_trapped, output_prefix)
+function [] = ogs_export(G, strata_trapped, output_folder)
 arguments
     G              (1,1) struct
     strata_trapped (1,1) struct
-    output_prefix  char   = 'model/gen/'
+    output_folder  char   = 'out'
 end
 
+mkdir(output_folder);
+
+output_prefix = append(output_folder,'/');
+
 write_mappings(output_prefix,G,strata_trapped.permeability ./ milli ./ darcy(),strata_trapped.idx);
 
 generate_sfn(...