Design Concept The donut-shaped pen holder features a playful and fun design with a smiling face and sprinkle texture, making it ideal for a friendly workspace. ## Function It serves as a functional pen holder that adds a whimsical touch to any desk or office setup. ## Print Recommendations Print with PLA or other durable material to maintain stability. Consider using a layer height of 0.2mm for detailed features. ## Assembly Instructions No assembly required—it's a single-piece design that is ready to use right after printing.