Automatic Opening Surprise Gift Box!

I wanted to submit this for the Mother's Day contest but missed the final submission thinking I still had till midnight May 8. :( It's a spring-powered self-opening gift box! Add confetti (or glitter if you want to be annoying) to the surprise! The large and wide size is guaranteed to fit a standard A7 greeting card, so you can put one in there. Use it to house presents for the holidays, birthdays, or any of your gifting occasions. You can print the overall gift box in PLA just follow the video on assembly. PETG is preferable as it is a lot stronger so you can be rougher when building the parts together. Large and Wide DesignThe large+wide fits A7 (5"x7") Greeting Cards with some room to spare.You can squeeze in A8 (5.5"x8") greeting cards. (GIF of the red enclosed includes an A8 size greeting card)Total space of 5x PS5 game cases plus extra space.Regular DesignIt is a square shape; you can scale it accordingly to fit your needs. I personally tested it at 75% an