Step 1: Create a product with the Fuel app (if you have not already done so)
You can create the product so that it is not visible on your online store by checking the box to publish as "Hidden".
Step 2: Go to your the Orders page in the Fuel app and select "Create order"
Step 3: Select the products you want included in the order
Step 4: Add the shipping address for the order
Step 5: Review the order details and then select "Create Order"
Step 6: Your new order will then appear on the orders page to be fulfilled