If your friend has a cardboard box with a different design, ask him/her to catalog trade it to you. With the furniture you want to customize and customization kits, press
Tag: customize
Can You Customize Couches In Animal CrossingCan You Customize Couches In Animal Crossing
It is possible to customize some nook miles furniture, but you'll only be able to change certain small details about the furniture. You’ll be invited to scan a qr code.