A detailed, step-by-step tutorial on making a beautiful rainbow hearts pop up greeting card, perfect for any special occasion. Learn how to fold and assemble colorful paper hearts that pop out when ...

Surprise your loved ones with a festive DIY Christmas pop-up card! 🎄📬 This easy handmade greeting card folds flat but pops open to reveal a 3D tree, gift, or holiday scene. Made with colorful paper, ...

Abstract: With the rapid development of science and technology in recent decades, the multi-finger dexterous hand has the characteristics of good flexibility and strong adaptability. At the same time, ...