Functional Materials

🚨Buy 3 get 1 Free Or Buy 5 get 2 free 🚨

🚨Get $30 off orders over $500🚨

Buy 3 get 1 Free — Must add 4  items to the cart and 1 will be free；

Buy 5 get 2 Free — Must add 7  items to the cart and 2 will be free；

Buy X  get Y  Free  — you can mix colors and mix different filament types；