Colorful 3d printer

Guide to Color 3D Printers

Are you looking to 3D print parts in color or to create vibrant, multi-color parts? Over the last few years, multiple new methods have emerged to 3D print in color, and newer 3D printers have become more accessible, empowering any designer, model maker, or hobbyist to create objects in a range of hues.

In this guide, we dive into the several techniques you can use to produce colored 3D printed parts, as well as the technologies and applications of color 3D printing.

There are several options to produce colored 3D printed parts, from color mixing to color matching, full color 3D printing, painting 3D printed parts, and hydrographics.

Direct color, also known as multicolor 3D printing is the most basic way to 3D print parts in multiple colors. It involves loading colored raw material into the printer. The most common way is using colored filaments with 3D printers that use fused deposition modeling (FDM) technology, which melts and deposits the filament onto the printer bed.

FDM 3D printing in color. (source: 3Dnatives)

FDM 3D printers can print in a single color, using colored filament, in two colors, using a dual extruder, or in multiple colors and gradients using color mixing, depending on how many filaments feed through the printer simultaneously.

The main advantage of these multicolor 3D printers is that they're easy to use and affordable. However, the disadvantages are that it’s not possible to achieve a specific color tone, and the final part will likely have visible layer lines. Also, the more extruders an FDM printer has, the bigger the chance of print errors.

While direct color printing only offers off-the-shelf color options, color matching allows you to create 3D printed parts in almost any custom color.

SLA 3D printed parts in various custom colors.

As the first integrated color-mixing solution for stereolithography (SLA) 3D printing, Formlabs Color Kit mixes color pigments into the base material to create a full cartridge of customized color resin. The SLA 3D printing process then uses a laser to solidify the colored resin and 3D print parts in vibrant colors with a smooth surface finish and almost imperceptible layer lines.

Color Kit, the first integrated color-mixing solution for SLA 3D printing.

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Full-color 3D printing is the most versatile color 3D printing method, as it produces objects in multiple colors at the same time, matching any tone and making realistic parts.

Unlike colored filaments or resin, the material used in full color printing is not pre-colored—the color is added to the base material during the printing process, similar to a color 2D printer.

Full-colored 3D printed part with binder jetting. (source: Hubs)

Technologies such as binder jetting and material jetting are able to produce full-color 3D prints. However, these processes have a high entry price, making them inaccessible to most users, while only one manufacturer offers a more affordable full color FDM 3D printer.

In certain cases, colored 3D prints may lack the detail or the vivid colors that an artist or designer aims for. Painting monochromatic 3D printed parts with acrylic, oil, or spray paint, while more time-consuming, offers an inexpensive and fully custom solution.

Side by side comparison on the before and after painting a dinosaur 3D printed SLA miniature.

Models that need a perfectly smooth finish or very fine features may require post-processing techniques, such as sanding, priming, or using a solvent prior to painting.

Sanding reduces imperfections in the surface, and primer fills in small cracks and holes. Additionally, some 3D printed parts may need an undercoat to diminish the neutral color of the primer before the paint application.

_{Watch or read our step-by-step guide on priming and painting 3D printed parts.}

Hydrographics, also known as hydroprinting, water printing, or water transfer printing, is a common method for applying printed designs to three-dimensional surfaces. The process uses an inkjet printer to print an image on a polyvinyl alcohol film. The film gets submerged in water and receives an activator chemical spray. The color film then stretches over and adheres to the object as it’s slowly dipped through the floating film.

If you're interested in this process, read our guide about full color patterns to 3D prints with computational hydrographics.

The most used technologies in color printing are FDM, SLA, SLS/MJF, binder jetting, and material jetting. Let’s look at the pros and cons of each process.

FDM, or fused deposition modeling, is one of the most common and least expensive technologies in consumer 3D printing. FDM 3D printers build parts by melting and extruding thermoplastic filament, which a printer nozzle deposits layer by layer in the build area.

Filaments for FDM printing in various colors. (source: All3DP.com)

FDM is mostly used for direct color printing, with single extruder printers, or for color mixing 3D printing, with dual or multiple extruder printers.

FDM can now also be used for full color 3D printing with the da Vinci Color 3D printer. With a colorless filament that is dyed using CMYK inkjet cartridges right before being extruded, it produces colored parts in a similar way to a color 2D printer.

SLA, or stereolithography 3D printing, uses a laser to cure liquid resin into hardened plastic in a process called photopolymerization. SLA parts have the highest resolution and accuracy, the clearest details, and the smoothest surface finish of all plastic 3D printing technologies.

Colored SLA parts, 3D printed with Formlabs Color Kit and Standard Resins.

SLA offers the possibility for color matching almost any custom color using Formlabs Color Kit, the first integrated color-mixing solution for SLA 3D printing. Thanks to their smooth surface finish, SLA printed parts can also easily be post-processed, painted, and used for applying hydrographics.

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Selective laser sintering is the most common additive manufacturing technology for industrial applications, trusted by engineers and manufacturers across different industries for its ability to produce strong, functional parts.

Dyed SLS 3D printed parts. (source: Hubs)

SLS 3D printers use white, grey, or black nylon powder as a raw material. While the parts cannot be directly printed in color, they can be dyed or painted in post-processing.

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The binder jetting 3D printing technology is similar to SLS and MJF printing but uses a colored binding agent to bond powdered sandstone material instead of heat.

Parts produced with binder jetting have a porous surface and are very brittle, which means that this process is recommended only for static applications, such as creating full-color figurines and concept models.

Figurines printed with binder jetting. (source: Shapeways)

Material jetting 3D printers combine traditional inkjet printing with the use of photopolymer resins, by depositing droplets of the material on a build tray similar to 2D printers, which then gets hardened by UV light.

This process offers a myriad of color possibilities and can create photorealistic parts with vibrant colors. However, the parts have poor mechanical properties, are heat-sensitive, and the entry price for this technology is the highest of all color 3D printing options.

Color 3D printing with material jetting. (source: Hubs)

	FDM	SLA	SLS	Binder Jetting	Material Jetting
Resolution	★★☆☆☆	★★★★★	★★★★☆	★★★☆☆	★★★★★
Accuracy	★★★★☆	★★★★★	★★★★★	★★★☆☆	★★★★★
Surface Finish	★★☆☆☆	★★★★★	★★★★☆	★★★☆☆	★★★★★
Ease of Use	★★★★★	★★★★★	★★★★☆	★★★★☆	★★★★☆
Complex Designs	★★★☆☆	★★★★☆	★★★★★	★★★☆☆	★★★★☆
Description	The print head melts and extrudes thermoplastic filament	A laser solidifies liquid resin	A laser or light source sinters nylon powder	A binding agent bonds sandstone powder	An inkjet-like print head cures droplets of resin
Materials	Thermoplastic filaments	Varieties of liquid resin	Varieties of polymer powder	Sandstone	Varieties of liquid resin
Color 3D printing options	Direct color, color mixing, or full color	Color matching	None	Full color	Full color
Post-processing with colors	Painting (requires a lot of post-processing) Hydrographic printing	Painting Hydrographic printing	Dyeing Painting Hydrographic printing	Painting Hydrographic printing	Painting Hydrographic printing
Applications	Basic modelmaking	Rapid prototyping, miniatures and models, medical models	Rapid prototyping, end-use parts	Miniatures and models	Rapid prototyping, miniatures and models, medical models
Price	Budget printers and 3D printer kits start at a few hundred dollars. Higher quality mid-range desktop printers start around $2,000, and industrial systems are available from $15,000.	Professional desktop printers start at $3,750, large-format benchtop printers at $11,000, and large-scale industrial machines are available from $80,000.	Professional benchtop printers start at $19,000.	Full color 3D printers start around $60,000.	Full color 3D printers start around $50,000 and large-scale machines are available from $100,000.

Video Guide

Having trouble finding the best 3D printing technology for your needs? In this video guide, we compare FDM, SLA, and SLS technologies across popular buying considerations.

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Color 3D printing empowers engineers and designers to save money and time with looks-like prototypes, movie makers to turn digital models into props, model makers to create vibrant miniatures, medical professionals to produce accurate anatomical models, and more.

Rapid prototyping helps companies turn ideas into realistic proofs of concept, advances these concepts to high-fidelity prototypes that look and work like final products, and guides products through a series of validation stages toward mass production.

The development team at birdkids used SLA 3D printing to create prototypes in color.

Concept models in color can demonstrate an idea to stakeholders, create discussion, and drive acceptance or rejection using low-risk concept explorations.

At later stages, realistic looks-like prototypes in color can give a better idea of what an end product will look like and how the end-user will interact with it. Ergonomics, user interfaces, and overall user experience can be validated with 3D printed looks-like prototypes before spending significant design and engineering time to fully build out product features.

Color matching 3D printing or full color 3D printing also allows product development teams to experiment with different color options and run studies with customers before moving into production.

In the entertainment industry, 3D printed props and models are blurring the line between physical models and digital effects. Artists create realistic, detailed models using 3D modeling software and then bring them to life in a matter of hours using 3D printing. High-resolution 3D printing processes, like SLA, can reproduce even the most complex parameters of a design, such as skin texture.

_{A behind-the-scenes look at visual effects (VFX) and design studio Aaron Sims Creative’s process to design of Stranger Things’ Demogorgon.}

Props masters, such as Russell Bobbitt for Marvel movies and Jaco Snyman for the Raised by Wolves series, as well as visual effects (VFX) and design studio Aaron Sims Creative for Stranger Things, have adopted the technology, as it significantly saves time in prop making and fuels creativity in the design process. The creation becomes more flexible and fluid, and props and models can be created in an efficient manner.

Without a doubt, 3D printing has revolutionized the creation of custom miniatures and figurines, whether for model making, tabletop games, collectibles, or other hobbies.

As full-color 3D printers are often out of budget for hobbyists and model makers traditionally hand-paint models anyway, the most popular way to create colorful models is to paint them after 3D printing.

For example, artists at Modern Life Workshop combine 3D modeling design with SLA 3D printing to create hyper-realistic celebrity portraits. The artists use the digital freehand sculpting software ZBrush to create detailed models on the computer. Then, they 3D print the designs on an SLA 3D printer and paint the parts by hand.

The artists from Modern Life Workshop create hyper-realistic sculptures with ZBrush and 3D printing.

In gaming, online communities have sprung up around tabletop games like Dungeons & Dragons, for which gamers use 3D printers to create one-of-a-kind D&D 3D printed miniatures, figurines, terrains, landscapes, and other board game accessories.

Professional model-making companies, like DM-Toys, also use 3D printing to accelerate prototyping and production cycles of custom models.

Global play and entertainment company Hasbro also uses the technology to create Hasbro Selfie Series figures—a groundbreaking endeavor to use 3D printing to manufacture personalized action figures at scale. For the first time, fans are now able to scan their face with a smart device and have a custom-made look-a-like action figure delivered to their door.

In healthcare, radiologists, surgeons, and biomedical professionals are increasingly turning to 3D printing to create accurate 3D models of anatomical features that can be used as reference tools for preoperative planning, intraoperative visualization, and education.

3D printing empowers medical professionals to create complex models with intricate details that would be impossible to produce with other technologies.

A fully colored pancreas model that was produced with SLA 3D printing and then painted with acrylic.

High-detailed color models are excellent in resident education programs, where each blood vessel or organ can be directly 3D printed or painted in different colors for easy classroom viewing.

Furthermore, patient-specific surgical models that are based on patient scan data are becoming increasingly useful tools in today’s practice of personalized, precision medicine.

Whether it is color matching to create 3D printed parts in almost any custom color, or printing high-resolution parts that can be painted to create hyper-realistic models, SLA 3D printing delivers incredible detail and seamless performance at an affordable price point.

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The 6 best full-color 3D printers in 2023

What is the best full-color 3D printer?

It’s complex to 3D print in full, photorealistic color, and there are less than ten 3D printer manufacturers that achieve this.

Until recently, full-color 3D printing was exclusive to expensive industrial additive manufacturing systems from brands such as Stratasys or 3D Systems. Today, more affordable (under $10K) desktop full-color 3D printers also exist.

What is full-color 3D printing?

Full-color 3D printers are able to create objects with photorealistic color.

To do so, the 3D printer must be able to mix different filaments or inks together to obtain precise shades and gradients, similar to regular 2D paper printers.

This is also known as indirect color 3D printing, as the color is applied to the base material (the base material isn’t pre-colored before 3D printing).

Full-color 3D printing vs. multicolor 3D printing

In the 3D printing industry, the term “multicolor” is sometimes used as a synonym for full-color.

However, for clarity in this article, we will only refer to multicolor for 3D printers and accessories that are able to 3D print a few colors (e.g.: 2-color 3D printers, 3-color 3D printers, Prusa multi-material add-on, Mosaic Palette, etc. ).

This type of 3D printing is also called direct color 3D printing, as the filament already has a specific color before being 3D printed.

Examples of full-color 3D prints (left) and multicolor 3D prints (right).

The best full-color 3D printers

Brand	Product	Build size	Country	Price Approximate starting prices based on supplier-provided information and public data. Prices may vary by region, over time and do not include additional products or services (taxes, shipping, accessories, training, installation, …).
ComeTrue	T10	200 × 160 × 150 mm7.87 × 6.3 × 5.91 in	Taiwan	$ 30,00028 242 €24,867 £4,043,040 ¥	Quote
XYZprinting	PartPro350 xBC	350 × 222 × 200 mm13.78 × 8.74 × 7.87 in	Taiwan	$ 30,00016 690 €24,867 £4,043,040 ¥	Quote
Mimaki	3DUJ-2207	203 × 203 × 76 mm7. 99 × 7.99 × 2.99 in	Japan	$ 39,00035 000 €32,327 £5,255,952 ¥	Quote
Stratasys	J55 Prime	–	United States	$ 99,00095 000 €82,061 £13,342,032 ¥	Quote
Mimaki	3DUJ-553	508 × 508 × 305 mm20 × 20 × 12.01 in	Japan	$ 230,000200 000 €190,647 £30,996,640 ¥	Quote
3D Systems This brand is a certified partner from our network.	ProJet CJP 660Pro	254 × 381 × 203 mm10 × 15 × 7.99 in	United States	upon request	Quote

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The products in the table are ranked by price (low to high).

Brand	Product	Technology	Build size	Country	Price Approximate starting prices based on supplier-provided information and public data. Prices may vary by region, over time and do not include additional products or services (taxes, shipping, accessories, training, installation, …).
ComeTrue	T10	Binder jetting (single-step)	200 × 160 × 150 mm7.87 × 6.3 × 5.91 in	Taiwan	$ 30,00028 242 €24,867 £4,043,040 ¥	Get a quote
XYZprinting	PartPro350 xBC	Binder jetting (single-step)	350 × 222 × 200 mm13.78 × 8.74 × 7.87 in	Taiwan	$ 30,00016 690 €24,867 £4,043,040 ¥	Get a quote
Mimaki	3DUJ-2207	Material jetting (UV-cured)	203 × 203 × 76 mm7.99 × 7.99 × 2.99 in	Japan	$ 39,00035 000 €32,327 £5,255,952 ¥	Get a quote
Stratasys	J55 Prime	Material jetting (UV-cured)	–	United States	$ 99,00095 000 €82,061 £13,342,032 ¥	Get a quote
Mimaki	3DUJ-553	Material jetting (UV-cured)	508 × 508 × 305 mm20 × 20 × 12.01 in	Japan	$ 230,000200 000 €190,647 £30,996,640 ¥	Get a quote
3D Systems This brand is a certified partner from our network.	ProJet CJP 660Pro	CJP	254 × 381 × 203 mm10 × 15 × 7.99 in	United States	upon request	Get a quote

Overview of the best full-color 3D printers in 2023

The ComeTrue T10 full-color 3D printer uses sandstone– a neutral, plaster-like powder– as its base material. This material is solidified and colored with ComeTrue’s proprietary liquid binding agent.

Then, users must insert the parts into a dry vacuum unit (available separately) to manually remove excess powder with an airbrush. The final steps involve covering the part in a liquid infiltrant for it to harden and then leaving the part to dry.