Draw in 3D. No clogs, no refills.
Our top-rated pen after testing 17 models.
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Every detail is aimed at the two things that ruin most 3D pens: jams and mess.
Set the exact temperature on the top screen, from 160°C to 230°C. PLA, ABS, or a new filament brand, you dial it in by the degree.
Takes the same standard filament as desktop 3D printers. No proprietary sticks and no $20 refill packs.
Lower cooling slots and a perforated black cone keep heat at the 0.7mm ceramic nozzle, where it belongs.
A curved 62-gram matte barrel that sits naturally in a writing grip, whether the hand is 8 years old or 48.
Press the 'M' button under the LCD to pick PLA or ABS, then adjust in 1°C steps. The ceramic core reaches 190°C in about 45 seconds.
Hold the side feed button and a smooth 0.7mm bead flows from the tip. Let go and it stops instantly, with no stringing.
Press the reverse button and the motor backs the filament out of the rear intake. Swap colors or put it away without a jam.
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Ergonomic LCD 3D Printing Pen for Kids, Crafters & 3D Printer Hobbyists
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Description: The Cosari ExtruPen Pro is a corded 3D printing pen with a curved light-blue matte barrel, a glossy black top spine with a rectangular LCD, two black side buttons, lower cooling vents, and a perforated black cone around a white ceramic nozzle. It melts standard 1.75mm PLA or ABS so kids can draw 3D objects and hobbyists can weld and patch 3D prints.
Who It's For: Parents and grandparents looking for a screen-free STEM gift for kids around 8 and up, and 3D printer owners who need a handheld tool to fuse parts and fill seams with matching filament.
Shipping & Guarantee: Free tracked shipping on every order. Try it for 30 days, and if it doesn't flow smoothly or feel right, return it for a full refund. Motor and heater faults are covered for 2 years.
Free 5–7 Day US Shipping: Every order ships free with full tracking and delivers in 5 to 7 business days.
30-Day Trial: Try it at home for 30 days risk-free. Need help? Email us anytime at support@buycosari.com.
2-Year Warranty: If anything goes wrong within 2 years, we replace it free of charge or refund your order in full.
The motorized reverse button pulls filament back out cleanly, so softened plastic never cools into a plug inside the barrel.
Release the button and extrusion stops right away. Clean line ends, less cleanup, less wasted filament.
Backed by a 30-day money-back guarantee and a 2-year replacement warranty on motor and heater faults.
Cosari ExtruPen ProStandard Competitors
| Feature | Cosari ExtruPen Pro | Standard Competitors |
|---|---|---|
| Filament type | Universal 1.75mm PLA & ABS | Proprietary sticks or refill packs |
| Temperature control | LCD, 1°C steps, 160–230°C | Fixed presets or no screen |
| Clog resistance | Vented barrel + motorized reverse | Unvented barrel, frequent jams |
| Stop after release | Instant, no stringing | Oozes and leaves cobwebs |
| Weight | 62g curved ergonomic barrel | Bulky or top-heavy body |
Swipe left for steps 2 and 3
Connect the power cord to the rear socket and tap the feed button. The LCD climbs to your set temperature in about 45 seconds.
Slide a 1.75mm PLA strand into the rear intake until the motor grabs it and pulls it in.
Trace a stencil flat, then lift the pen to build upward. The plastic sets in about 3 seconds.
My 8-year-old makes pins and all sorts of things with this. The filament flows smoothly, and the curved matte body fits smaller hands without feeling bulky. It heats quickly, and the top LCD makes switching between PLA and ABS modes straightforward.
This pen stops feeding the quickest when I release the black side control button. I've had zero filament stringing or cleanup with it. The rectangular LCD on the glossy black top spine is clear, and switching between PLA and ABS is easy.
My 11-year-old loves this gift! It's been a great way to learn the basics of 3D extrusion and weld or add details onto existing 3D prints. The light-blue finish looks nice, and the black nozzle tip is perforated.
I tested a couple of 3D pens and ended up keeping this one. The two black side buttons and the M mode button below the top LCD are intuitive and responsive, so I didn't have to keep checking the instructions.
I bought two for my 7-year-old granddaughters for Christmas, one light blue and one purple/pink so they each had their own color. They love them! Learning to draw in 3D does take a lot of patience, though.
The curved barrel feels lightweight and balanced in my hand, even when I'm crafting for a while. I also like the design, including the lower ventilation slots near the black conical tip. It's comfortable to hold without gripping too hard.
I bought this for my best friend's son, and he was so excited to try it. He got into building little 3D models right out of the box using the starter filament coils.
Great product! My kids love watching the LCD heat indicator climb before they start drawing. The lower air vents near the tip seem to help keep the grip area cool, too.
I use this to weld PLA parts together and fill seams on my 3D printer builds. It heats up quickly, the feed buttons respond well, and the rectangular LCD is easy to read. The curved profile is comfortable for detail work.
The instructions were easy to follow, and the filament feeds smoothly at a useful range of speeds. I unload it cleanly after each session to help prevent clogs in the white ceramic nozzle tip inside the perforated black cone.
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No. It takes any standard 1.75mm PLA or ABS filament, the same material sold on cheap spools for desktop 3D printers.
With adult supervision, yes. The perforated black cone shields the hot ceramic tip, and the lower vents keep the curved grip comfortable. The tip itself gets very hot, so kids should learn never to touch it.
Press the reverse button to unload the filament before you unplug the pen. In our testing, that one habit plus the pen's vented barrel meant zero jams across 40 hot-swaps.
Yes. Press the 'M' button below the LCD to change modes, then fine-tune the temperature in 1°C steps anywhere from 160°C to 230°C.
No, it's corded. Steady power keeps the temperature consistent during long sessions. It runs on a 5V/2A USB supply through the included power cord.
You get a 30-day money-back guarantee. If it doesn't flow smoothly or feel right in your hand, send it back for a full refund. It's also covered by a 2-year warranty against motor and heater faults.