Painting tools Rainbow Pen Holder (storage box)

ainbow Art Tube

Introducing the Rainbow Art Organizer – a vibrant 3D-printed pen holder designed to spark creativity and keep your painting tools perfectly sorted! Featuring seven colorful compartments (like a rainbow’s arc), it holds brushes, markers, pencils, and more with ease. Durable, lightweight, and endlessly customizable, this caddy turns organization into an art form—perfect for artists of all ages!