1, STEP GET YOU A4 SIZE SHEET YOU CAN GET ANY IF YOU GOT A PLAIN ONE SO YOU CAN IETHER COLOUR OR USE THE WHITE AND THEN JUST ROLL IT AND MAKE A CONE
2,STEP WITH 1 MORE A4 sheet AND YOUR PENCILL AND SCALE MAKE A LINE AND CUT WITH YOUR SCISSORS CUT AND THEN FROM THE BOTOM TRY TO CUT AND PASTE IT ON YOUR CAP
AND NOW WHATEVER DECORATIONS YOU HAVE DECORATE LIKE I HAVE ALSO DONE WITH SOME LEAVES
Thanks for help , I will make this cap for the upcoming birthday party