Amazon.com : Rocketbook Beacons - Digitize Your Whiteboard - Reusable Stickers To Upload Your Whiteboard Notes To The Cloud with Carrying Case (1 Pack), BEA-A4-K : Office Products
My first attempt of Rocketbook of fully DIY version (with results) : r/ rocketbook
Rocketbook FLIP Cover Sheet in Sturdy Clear Acrylic With TOP - Etsy