Revitalizing the Past, Revolutionizing the Future

Featured Products

Side view of a large 3D printer with a filament spool and metal frame.

3D PotterBot 10 Super

$7950

Label for JUS-DIP 5 gallon pail, premixed fused-silica ceramic shell slurry in suspension, on an orange background.

5 Gallon JUS-DIP

$260

A 3D pottery printer creating a patterned ceramic vase on a flat platform.

3D Potter 10 Pro

$6950

Explore what we offer

Ceramic vases with spiral patterns

Unleash your creativity with 3D printing in clay and concrete. This technology empowers artists to turn ideas into tangible art, offering endless design possibilities. Craft intricate sculptures or functional items by combining traditional techniques with 3D printing, resulting in unique textures and shapes. Discover new materials and embrace the future of art and architecture!

Close-up of a decorative stone sculpture featuring a bearded man's face with floral and vine details, possibly depicting a mythological figure.

Refresh your sculptures with our professional patina restoration services. At Shellspen International, we carefully enhance the unique look of your artwork. Our tailored approach guarantees that each restoration fits your needs, from removing rust to adding protective finishes. Let us revitalize your cherished sculptures, making them eye-catching highlights in your space.

Twisted silver sculpture with curved, textured strands

Our Bronze Casting Kit is the ideal entry into metalworking. This all-in-one package provides quality materials and straightforward instructions for beginners and experienced artisans. Create beautiful bronze pieces and explore casting art confidently. Perfect for personal projects, education, this kit is your gateway to bronze crafting. Start your casting journey today!

Who
we are

Welcome to Shellspen International, celebrating almost half a century of creativity and craftsmanship! For over four decades, we’ve been your trusted partner in exploring the fascinating world of bronze casting and expert patina restoration. Our mission is to empower artists, hobbyists, and innovators by providing the tools and resources needed to turn visions into reality. Join our vibrant community, where your artistic journey is supported and your passion for creation is nurtured. Together, let’s inspire and uplift each other in the wonderful realm of art!

Man in green shirt holding a large white concrete 3d print in front of a concrete wall.

Cartlidge & Colson Restoration

Randy Cartlidge and Sean Colson standing in front of a large, abstract green sculpture of human figures on a sunny day, with trees and a building in the background.

The sons of artists Jack Cartlidge and Frank Colson combine their multi generational knowledge of art and engineering to perform specialized restorations. With over a century of combined experience and the legacy of both world renowned fathers, Cartlidge & Colson provide an unparalleled expertise on a wide array of artistic mediums.

View Our Work

Person in a green shirt holding a 3d printed clay vase in a workshop with shelves of textured pottery vases and bags of materials.
A casted bronze sculpture of a woman riding in a sled pulled by a reindeer, placed on a textured rock surface.
Two people standing in front of a large green sculpture with abstract human figures, set outdoors with trees and a clear blue sky.
A person standing on a ladder cleaning or maintaining a statue, with trees and a partly cloudy sky in the background.

Contact Us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!

Orange shell logo with green outlines, text "Est. 1979"