craft.lua

@@ -16,4 +16,8 @@ if minetest.get_modpath("technic") and minetest.get_modpath("space_travel") then
         input = {'space_travel:space_cobble'},
         output = {'space_travel:space_gravel'}
     })
+    minetest.register_recipe({
+        input={'space_travel:space_gravel'},
+        output={'default:gravel'}
+    })
 end