the thing that some people usually do when they want to make their own birthday wishes messages cards. for the materials, you need to prepare scissors, glue and some sparkling paper so you can decorate the cards with something shiny on there. this is a great start to making a beautiful birthday card.
for the shape and the design you can create it and take a look at the example that is available. and if you have something on your mind then you can explore your ideas and create the shape and design that according to what you like. there is no certain limit in making the birthday wishes messages cards 