This entry is a Capybara cream cup—a spring‑activated pop‑up ornament—designed for the 3D printing parent–child co‑creation contest, blending toy design, science education, and interactive family fun. The piece features a heartwarming capybara paired with a creamy coffee cup; its head replicates the textured feel of knitted yarn, while layered printing delivers a soft, harmonious color palette. The finished product is delightfully pliable and adorable.

The model is divided into modular components for separate printing, making it easier to print at home and allowing children to participate fully in the assembly process. Inside, an innovative mechanism integrates a mechanical keyboard switch with a spring‑loaded linkage, complete with a dedicated mounting compartment. Once assembled, gently pressing the capybara’s head produces a satisfying, bouncy rebound, offering a crisp, engaging tactile experience. Disassembling the piece also provides a hands‑on demonstration of elastic forces and mechanical linkages, turning abstract physics concepts into tangible educational tools—learning through play.

This ornament serves as both a stress‑relieving desk toy and an interactive family prop. During leisure time, parents and children can take turns pressing and playing with it, or use it as a small mood‑lifting decorative item to foster closer communication. Balancing low‑barrier printing with versatile play options, this project supports families in collaboratively completing every step—from slicing and printing to assembly—bringing childhood imagination to life via 3D printing and creating a family‑friendly creation that combines aesthetic appeal, playful engagement, and educational value.

Requires purchasing a mechanical keyboard switch (blue switch) separately