craft.lua

@@ -14,6 +14,10 @@ if minetest.get_modpath("technic") and minetest.get_modpath("space_travel") then
     })
     technic.register_grinder_recipe({
         input = {'space_travel:space_cobble'},
-        output = {'technic:stone_dust'}
+        output = {'space_travel:space_gravel'}
+    })
+    minetest.register_recipe({
+        input={'space_travel:space_gravel'},
+        output={'default:gravel'}
     })
 end