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Sunlu SL-300 Printer Pen Test

Sunlu SL-300 3D Printer Pen Test

Updated by Timo Altmeyer on the 12. May 2021

In order to gain initial experience with the 3D printing you would normally have to dig deep into your pocket, because such a 3D printer is not exactly cheap. However, an 3D pen is already available for a fraction of an 3D printer and only requires a bit of flair compared to the 3D printer. The Sunlu SL-300 is one such 3D print pen already in the 3. Generation was released. The pen is also marketed under the name CCbetter 3D Pen. How the pen beats and whether you can even draw with it, I have tested.

Our rating
Sunlu SL-300 / SL-400 | 3D Printer Pen / Doodler in Review | Unboxing | Review | Hands-On

First impression

When I picked up the Sunlu 3D Pen (CCbetter 3D Pen) for the first time, I immediately noticed the low weight of the pen. Also, thanks to the rubberized surface and its shape, which is suitable for both left-handed and right-handed, it is very good in the hand. Although the pencil looks a bit clunky, but also children should cope well with it.

On the side, on both sides, the pen has several function keys. On the left side there are the pull-in buttons with which you can pull the filament into the pen or pull it out. The speed buttons are on the right. This controls how fast the filament is pulled out of the pen. On the top there is a small display, which you can use to select the filament type (PLA or ABS), as well as the temperature of the pen. On the back we have the socket for the mains connection and the opening into which the filament is inserted. My first impression was very positive and I could well imagine being able to draw something with this pen.

First try

As soon as you connect the pen to the power supply, the pen is switched on. There is no separate power button. However, you don't have to worry here, because only when filament is inserted and the filament type has been selected does the print pen start to heat up.

Here 2 rolls of PLA filament were added. PLA differs from ABS in that it does not have to be heated too much and is also biodegradable. ABS, on the other hand, is more stable than PLA and is therefore suitable for machine parts that are more likely to be printed with a real 3D printer. When you insert the filament and press the feed button, the pen slowly heats up to around 170 ° C. The temperature can be seen on the display.

After a first test run, you got used to the pen fairly quickly. Drawing with the Sunlu 3D Printer pen is similar to drawing the 3Doodler. In my first attempt, I traced a butterfly. There are templates for this in the net, whereby creativity knows no bounds. The filament is applied freely at will and connects without problems with the already dried filament parts.

That the pen is hot and you could burn, I have not found. Also, the filament cools down pretty quickly and is also very fast hard. Nevertheless, one should not underestimate the pen. Especially the small white tip of the pen is very hot and should not be touched.

Sunlu SL-300 Printer Pen Test

Good workmanship
Easy to handle
No filament smell


Due to the hot tip only suitable for children to a limited extent


Drawing with the Sunlu or CCbetter 3D pen was a lot of fun for me and I'm looking forward to the next things that I'm going to draw with this pen. You should still bring a touch, but after a few tries you get used to the line quite quickly and can also control the speed excellent. If you have progressed a bit with drawing on templates, you can even draw freehand in the air. The filament becomes so hard that small figures or even the Eiffel Tower can be drawn freehand.

There is nothing to complain about in terms of the build quality of the pen. You get a really high quality product here that by no means looks cheap. Apart from the tip of the pen, the rest is not named, so that a longer drawing session is possible without hesitation. I didn't notice anything about the smell of the melting filament. So you don't have to put on a breathing mask. There are no vapors.

All in all, the Sunlu SL-300 / CCbetter 3D Pen is a really great piece that gives you a first look into the world of 3D printing. My expectations were the Sunlu SL-300 completely fair.

Timo Altmeyer Avatar

Launched the website in 2016 and has been an active editor of news and test reports in all areas of technology ever since.

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