Add new Landplot to Blueprint

You can modify your Blueprint without activating it by following these steps below:

Step 1: Click on "Edit Land" button in bottom left corner of screen.

Step 2: Click on "Blueprint" button in upper left corner of screen to access Blueprint Editor Mode.

Step 3: Click on Blueprint from Inventory that you want to modify.

Step 4: Click on "Modify" button.

Step 5: Choose Landplot from inventory

Step 6: Place chosen Landcore on the Land. You can hold and drag it to find a perfect spot for it.

Step 7: Click on button to confirm position of Landplot.

Step 8:

Click on "Apply" button to save your change

or

Click on "Reset" button to reverse your change.

Now you know how to modify your blueprint.