Sunlu T3 FDM 3D Printer overview


For those who’re new to 3D printing then you could not have heard of Sunlu earlier than. Nonetheless, in the event you’ve spent a while within the 3D printing neighborhood, then you definately’ve most definitely heard of the favored filament maker.

Whereas Sunlu has already established itself as a good filament provider, the corporate has additionally begun increasing into producing its personal lineup of 3D printers. The most recent addition is the Sunlu Terminator-3, which the corporate was form sufficient to offer for overview. 


At first look, the Sunlu Terminator-3 bares a putting resemblance to the Ender-3 Neo from Creality, albeit with a couple of upgrades. For starters, the T3 contains a printing pace of as much as 250mm/s, clog detection, and filament break detection. 

Among the different commonplace options are additionally current, similar to a 32-bit silent motherboard, auto leveling, resume after an influence failure, an all-metal double-gear extruder, and built-in belt adjusters. Moreover, the Sunlu Terminator-3 makes use of a mattress 220 x 220 x 250mm whereas solely having an general footprint of 440 x 400 x 470mm. 

The Sunlu T3 makes use of a single 0.4mm nozzle with a max temperature of 260℃ and most mattress temp of 100℃, with help for 1.75mm PLA, PLA+, carbon fiber, ABS (low temp), PETG, HIPS, WOOD, PCL, and TPU filaments. 

Lastly, the Sunlu Terminator-3 features a USB Kind-B male connector and microSD card for loading up G-code recordsdata or sending instructions to the printer. I’ve heard that Octoprint works with it, however I’ve been utilizing the included 8GB microSD card solely with the machine. 

Set up

For those who’ve ever put collectively a chunk of Ikea furnishings, then you definately’re already far overqualified to assemble this 3D printer. The Sunlu Terminator-3 comes packed in a field break up into two foremost halves, together with detailed directions, a number of baggage of bolts, and each instrument you’ll want. In actual fact, there’s even an additional bag with spare components, together with a spare nozzle. 

Meeting went fast and straightforward as soon as I unboxed the T3, an skilled builder may end placing the 2 halves collectively and attaching the filament spool in below quarter-hour. An inexperienced person may nonetheless have it accomplished in lower than half an hour. Essentially the most difficult half is tilting the Terminator-3 on its aspect to insert the bolts, in the event you can name {that a} problem. 

General, the method is so easy with little or no room for error and you ought to be up and printing very quickly. Simply don’t neglect to manually stage your mattress after you’ve completed tightening all of the bolts. 

Talking of the mattress, Sunlu has opted for a magnetic construct plate that’s straightforward to take away and has been incredible for adhesion in my expertise. The one draw back I’ve encountered is that I’ve managed to place some slight indents in mine whereas eradicating some stubbornly stuck-on fashions. 

One other minor grievance, is the knobs for leveling the print platform occur to make use of a twin knob system that was tough to get began, particularly due to how small they’re. Regardless, I’ve to commend Sunlu for utilizing giant sturdy springs. 


One of many standouts of the Sunlu Terminator-3 is its fast 250mm/s printing pace, nevertheless, simply because it’s quick, doesn’t imply it’s good. From my expertise of printing some easy XYZ calibration cubes, the quick printing setting returns sloppy outcomes. The corners of the dice appeared tough and the areas across the letters confirmed lots of ringing. Whereas the pace itself could be very spectacular, I discovered the standard to be missing and I wouldn’t suggest printing on the T3’s max pace until you’re ready to do lots of tweaking with the settings. 

Left: 50mm/s Proper: 250mm/s

As soon as I disabled the quick printing mode, which was on by default, and commenced printing at extra manageable speeds, similar to 30-50mm/s, the Terminator-3 actually shined. I began with an XYZ calibration dice after which moved on to the notorious benchy boat. Apart from some slight stringing on benchy, the outcomes had been incredible. 

I then dialed within the settings and commenced printing extra difficult fashions utilizing this multicolor pack of silk Sunlu filament from Amazon and got here away very impressed with the outcomes contemplating how little I needed to tweak the T3. With 3D printing, there’ll all the time be small flaws relying on which fashions you’re printing and tweaks you can also make with the slicer or changes to the {hardware} to enhance your printing high quality. But, virtually proper out of the field, the Terminator-3 was printing superbly. 

The standard improved even additional after Sunlu launched a profile for the T3 on its website that may be imported into Ultimaker Cura. Nonetheless, there was some gcode on the finish I needed to change as a result of the brand new profile added a 100mm retraction on the finish of printing. 

Remaining ideas

The Sunlu Terminator-3 begins at $279 placing it in direct competitors with a number of the hottest 3D FDM printers available on the market. Whereas it touts an extremely quick printing pace of 250mm/s, it’ll take loads of tweaking if you wish to get high quality prints at these speeds. 

Regardless, the Sunlu T3 is a really succesful 3D printer with some incredible options, similar to a built-in mattress leveler, clog detection, computerized resume after energy failures, and extra. Simply be sure you print at some extra affordable speeds and also you received’t be dissatisfied with the outcomes.  

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