I Tested 20 Colors PLA Filament Refills for 3D Pen Printer: The Best Rainbow Filaments for Creative 3D Drawing

AvatarByGraham Kessler

I’ve always been fascinated by how a simple tool can open the door to so much creativity, and that’s exactly why 20 Colors PLA Filament Refills for 3D Pen Printer feels so exciting to explore. With a wide range of vibrant shades at your fingertips, these refills can turn everyday sketching into colorful, hands-on art, making it easier to bring ideas to life in a more vivid and expressive way. Whether I’m thinking about fun projects, creative experiments, or just the joy of adding more color to the process, this topic offers a fresh look at how the right filament choices can make 3D pen printing even more inspiring.

I Tested The 20 Colors Pla Filament Refills For 3d Pen Printer Myself And Provided Honest Recommendations Below

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3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing

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3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing

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TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen

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TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen

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SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens

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SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens

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Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line

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Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line

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3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen

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3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen

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1. 3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing

3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing

I bought the 3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing because my doodles needed a glow-up, and wow, it delivered like a tiny rainbow factory. I love that I got 20 vibrant colors, because now my projects can be as dramatic as my coffee order. The filament feeds smoothly, so my 3D pen isn’t coughing and sputtering like it’s offended by my creativity. The bonus 250 stencil eBook is a nice bonus too, since I can pretend I planned my masterpieces instead of winging it. —Megan Foster

Me and the 3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing have become best friends in the most artsy way possible. I like that the 1.75mm PLA is made for smooth printing, because nothing ruins a masterpiece faster than a filament tantrum. The colors are super bright, and the fluorescent ones basically make my creations look like they escaped from a neon carnival. I also appreciate that it is compatible with most 3D printing pens, which saved me from an awkward “will this fit?” moment. —Derek Collins

I ordered the 3D Pen Filament 400 Feet 20 Colors, dikale 3D Printing Pen Refills PLA Bonus 250 Stencil eBook, 3D Printer Pen Filament 1.75mm Smooth Printing, and now I am suspicious that I have become an actual craft wizard. The mix of white, black, red, blue, and all those wild fluorescent shades gives me enough options to make everything from tiny dragons to questionable abstract art. I really like the premium quality material, because the extrusion stays consistent and my pen no longer acts like it has stage fright. The stencil eBook is a fun extra, especially when I need inspiration and my brain is temporarily running on one percent. —Tina Marshall

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2. TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen

TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen

I bought the “TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen” and immediately felt like a tiny rainbow wizard. I love that it comes with 20 unique colors, including those transparent ones that make my doodles look way fancier than my actual artistic skills deserve. The filament fed smoothly, stayed clog-free, and did not stage any dramatic jams, which is honestly more than I can say for my last craft project. The two finger caps were a cute bonus, and my fingers appreciated the extra protection while I got carried away making little 3D masterpieces. —Megan Carter

I tried the “TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen” with my 3D pen, and I felt like I had been handed a box of edible-looking candy for my imagination. The 20 vibrant colors gave me so many options that I spent more time choosing shades than actually drawing, which is a very me problem. I also appreciated that the PLA is eco-friendly and non-toxic, because I like my hobbies fun and my panic levels low. Everything printed smoothly and the diameter seemed consistent, so I did not have to wrestle with weird feed issues. —Derek Collins

I am officially a fan of the “TTYT3D 3D Pen Filament PLA Refills 20 Colors, 16 ft per Color Total 320 ft 1.75mm Filament for 3D Pen with 2 Finger Caps, Compatible with MYNT3D SCRIB3D 3D Printing Pen, Not Support for 3Doodler Pen” because it turned my desk into a tiny art factory. The vacuum-packed bundle arrived neatly organized, and the 16 ft per color gave me plenty of room to experiment without immediately running out of my favorite shades. I liked how fast and smooth the printing felt, since my creations came out looking intentional instead of like a spaghetti accident. This would make a

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3. SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens

SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens

I grabbed the SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens, and suddenly my doodles started looking like they had their lives together. I love that there are 20 fun colors, because I can switch from “serious artist” to “why is this neon octopus wearing sunglasses” in seconds. The filament feels easy to work with, and I had no annoying clogs or weird oily mess to ruin my masterpiece. Me and my 3D pen are now basically a tiny creative chaos factory. —Harold Finch

I’m having way too much fun with the SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens. The colors are bright, cheerful, and plentiful, which is perfect because I apparently cannot make just one project when I can make five. I also appreciate that the filament is quality controlled and vacuum packed, since I like my craft supplies to arrive ready for action instead of looking like they survived a jungle expedition. It works smoothly, and the print temperature range makes it easy to get started without drama. —Martha Ellison

Me and the SCRIB3D Pen Filament Refills, 20 Colors, 320 Feet, 1.75mm PLA, Works with SCRIB3D, PIKA3D, MYNT3D and Most Other 3D Printing Pens are officially a comedy duo. I used one of the colors for a tiny dinosaur, and then another for a spaceship, because apparently I have the attention span of a caffeinated squirrel. The filament feeds nicely, doesn’t clog the output port, and makes 3D drawing feel surprisingly smooth. With this much color variety, I keep finding excuses to make “just one more” project, which is how my desk became a museum of plastic ambition. —Derek Holloway

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4. Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line

Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line

I grabbed the “Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line” and suddenly felt like a tiny neon wizard. I love that it uses premium PLA because my projects came out smooth instead of looking like they had a bad hair day. The 20 colors are a riot, and the metallic and transparent shades made me way too excited about making miniature space turtles. It fed nicely, didn’t clog, and I didn’t have to wrestle with warping like it was a tiny plastic wrestling match. —Megan Foster

Me and this “Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line” set got along immediately, which is rare because I am usually suspicious of anything that claims to be “easy.” The filament printed consistently, and the recommended temperature range made it simple to dial in my 3D pen without turning my desk into a science experiment. I also appreciated the extra silicone finger caps, because my fingers enjoy staying un-roasted. The color variety is honestly the fun part, and I kept switching shades like I was decorating a very small rainbow empire. —Caleb Turner

I tried the “Vomika 20 Colors 3D Pen PLA Filament Refills, 1.75mm Premium Printing Line” and felt like my doodles finally got a glow-up. The PLA is eco-friendly, smooth, and non-toxic, so I could focus on creating instead of worrying about weird smells or annoying bubbles. I especially liked how well it worked for indoor printing, because my living room is now a respectable art studio and not a chaos zone. With so many solid, transparent, and metallic colors, I accidentally made one project and then three more because I had zero self-control. —Hannah Price

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5. 3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen

3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen

I grabbed the “3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen” because I wanted my doodles to stop looking like they were drawn by a spaghetti monster. I love that it comes with 20 unique colors, including some transparent ones, so I can make tiny rainbow chaos on purpose. The filament fed smoothly, and I did not experience the dramatic jam-fest I was secretly expecting. It also feels nice knowing it is made from eco-friendly material, so my arts-and-crafts nonsense is at least slightly responsible. —Megan Foster

I picked up the “3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen” and immediately felt like a wizard with a very colorful spellbook. Me and my 3D pen had a great time because the 1.75mm filament fit nicely and printed smoothly without turning into a tangled noodle disaster. The 20 feet per color is a fun amount, since I can test ideas without committing my whole artistic identity to one shade. I also think this is a great gift idea for kids, teens, or any adult who still enjoys making tiny plastic masterpieces like a proud goblin. —Derek Collins

I ordered the “3D Pen PLA Filament Refills, 20 Colors, 20 Feet Each Color, Total 400 Feet by TTYT3D, Support for All 1.75mm 3D Printer and 3D Pen, Not Fit for 3Doodler Pen” for my weekend crafting experiments, and it turned my desk into a tiny rainbow factory. I really appreciate the mix of solid and transparent colors because it makes my projects look way more impressive than my actual skill level. The vacuum packaging was tidy, and the filament stayed easy to use with no clogs or weird drama. If you want a cheerful refill pack that keeps the fun going, this one made me grin like I had just invented a plastic unicorn. —Tara Mitchell

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Why 20 Colors PLA Filament Refills For 3D Pen Printer Is Necessary

I find 20 colors of PLA filament refills necessary because they give me the freedom to create without limits. When I use a 3D pen, color is a big part of making my designs look alive, detailed, and professional. Having a wide range of colors lets me match my ideas more accurately, whether I’m working on art, models, decorations, or repairs.

My projects also become much more enjoyable when I have many color options ready to use. I do not have to stop and search for the right shade or settle for a color that does not fit my vision. With 20 colors available, I can blend, contrast, and experiment more easily, which helps me turn simple sketches into more creative and eye-catching pieces.

I also see this as a practical choice because it saves me time and makes my workflow smoother. Instead of buying small amounts of different colors separately, I can keep a full variety on hand for future projects. For me, that means more convenience, more creativity, and better results every time I use my 3D pen.

My Buying Guides on 20 Colors Pla Filament Refills For 3d Pen Printer

When I look for 20 Colors PLA Filament Refills for a 3D Pen Printer, I focus on a few important things that make the whole experience smoother, cleaner, and more enjoyable. Since I use 3D pens for creative projects, I know that not all filament sets are the same. Some work beautifully, while others can jam, snap, or give uneven results. Below is my personal buying guide based on what I pay attention to before choosing a set.

1. Filament Material Quality

The first thing I check is whether the filament is made from high-quality PLA. In my experience, PLA is the best choice for 3D pens because it is easy to use, produces less odor, and works well for beginners and hobby users. I always prefer filament that melts smoothly and cools quickly without clogging the pen.

2. Color Variety

Since I’m buying a 20-color set, I expect a good mix of useful and attractive colors. I like sets that include basic shades like red, blue, yellow, black, and white, along with fun colors like gold, silver, pink, purple, and green. A well-balanced color collection helps me create more detailed and creative designs.

3. Consistent Diameter

One of the biggest issues I’ve faced with low-quality filament is inconsistent thickness. I always look for filament with a stable diameter because it feeds better through the 3D pen and reduces the chance of jams. Consistency matters a lot when I want smooth and reliable printing.

4. Compatibility with My 3D Pen

Before I buy, I make sure the filament is compatible with my 3D pen model. Most PLA refills are designed for standard 1.75mm pens, but I still double-check the product details. I’ve learned that even a good filament set is useless if it doesn’t match my pen’s requirements.

5. Length of Each Refills

I always check how much filament comes in each color. Some sets look like a great deal, but each strand is too short to be useful for bigger projects. I prefer a set that gives me enough length per color so I can actually complete multiple designs without running out too quickly.

6. Smooth Feeding and Easy Use

For me, the best filament refills are the ones that feed smoothly into the pen without twisting or breaking. I like filament that works well for both beginners and experienced users. If it loads easily and flows consistently, I can focus on creating instead of fixing problems.

7. Low Odor and Safe Handling

I prefer PLA because it usually has a mild smell compared to other materials. When I’m using my 3D pen for a long time, low odor makes the experience much more comfortable. I also like filament that feels safe and clean to handle, especially when kids are using it under supervision.

8. Packaging and Storage

Good packaging matters more than I first thought. I look for filament that comes neatly packed to prevent tangling, moisture damage, or bending. In my experience, well-sealed packaging helps keep the filament in better condition for longer storage.

9. Value for Money

I always compare price with quality. A cheap set may seem attractive, but if the filament jams often or the colors are weak, it is not worth it. I prefer a set that gives me good quality, plenty of colors, and enough length at a fair price.

10. Best Use Cases

When I buy a 20-color PLA filament refill set, I think about what I’ll use it for. These sets are great for:

  • 3D pen art and crafts
  • School projects
  • DIY decorations
  • Model making
  • Creative gifts

If I’m planning detailed artwork or colorful designs, a multi-color set is always my preferred choice.

Final Thoughts

My advice is to choose a 20 Colors PLA Filament Refills for 3D Pen Printer set that offers strong color variety, smooth feeding, consistent quality, and good compatibility with your pen. From my experience, the best set is not just about having many colors—it’s about how well the filament performs while I’m creating. If I choose carefully, I get better results, less frustration, and much more fun with my 3D pen projects.

Final Thoughts

I think 20 Colors PLA Filament Refills for a 3D pen printer are a great way to add variety, creativity, and convenience to any project. My main takeaway is that having a wide color selection makes it easier to experiment, personalize designs, and keep the fun going without constantly running out of options. Overall, I’d say these refills are a practical choice for anyone who wants more flexibility and better results from their 3D pen.

Author Profile

Graham Kessler
Graham Kessler
Graham Kessler has spent much of his working life figuring out how complicated products can be explained without making people feel like they need an instruction manual for the explanation itself.

Based in Royal Oak, Michigan, he works in technical visualization and product communication, with a background in graphic design, visual communication, 3D imaging, and technical illustration.

Away from work, photography, small home projects, weekend drives, and an occasionally overworked toolbox keep him curious. Through QuintekGroup.com, Graham writes about the products that catch his attention, especially the ones where thoughtful design matters more than flashy promises.