Yes, Kickstarter backers can email firstname.lastname@example.org with your new address. Indiegogo backers will get a survey soon when then campaign closes.
If you are a Kickstarter backer, unless your order has already shipped, you can update your shipping address by emailing us at email@example.com.
If you are an Indiegogo backer, you will get a survey to fill out when the campaign closes. Then you can change your shipping address, and add extra masks or filters to your order.