![]() This relieves pressure in the nozzle and prevents any excess filament from dripping out. Retraction is when the extruder motor goes in reverse and pulls the filament back instead of pushing it further. Retraction is a rather special function in 3D printing and is one of the most important-yet-overlooked Cura settings you need to set before starting up your Ender 3. PETG layer height: 0.2mm to start, varies Retraction Speed The Ender 3’z Z stepper motor works in increments of 0.04mm, so your layer height should be in multiples of 0.04mm for best results! It is worth noting that higher resolution prints take more time since there are now more layers to be put down!Ī 1cm print with 0.2mm layers is 50 layers tall, but with 0.1mm, it’s 100 layers tall! If you need higher quality prints, you can go down to 0.12 mm as well, which will help bring out even finer details. You will just be able to make out the layer lines, but the finish will still be quite respectable. Your layer height must be smaller than the size of your nozzle! If you have a 0.4mm nozzle, you must set your layer height to be lower than that.įor most 3D printing, 0.2mm is fine as it is a sweet spot between ultra-high resolution and a poor finish. It determines the diameter(height in this context) of the filament extruded from the nozzle. The layer height is the resolution of your 3D print. If the extruder pushes the filament too fast, it can bunch up and stop going into the Bowden tube as it is supposed to! Layer height TPU and other flexible filaments need very slow print speeds. For example, you can print a simple bracket or box at high speeds without any issue.īut if you need details to come out and the overall finish needs to be presentable, a lower printing speed will always help. Remember to keep all the other settings the same to preserve the integrity of the experiment!Īnother tip is that you can print simpler objects at faster speeds. If you’re feeling adventurous, feel free to push the print speed higher and see how that changes the end result. Very fast prints also cause the frames of aluminum extrusion 3D printers like the Ender 3 to vibrate, which will introduce a lot of artifacts into your 3D printing projects. In reality, 60 mm/s is pretty fast, and anything faster will compromise the finish of your print. The Ender 3’s advertised print speed is quite high, but manufacturers tend to inflate this figure as it makes for a good selling point. In 3D printing, print speed determines how fast your print is completed, and by extension, the final quality of your print. PETG Bed Temperature: 70 degrees C Print Speed Once the print is done and the glass cools again, it contracts, making the print much, much easier to remove. As the glass is heated, it expands, and the print is laid down on the expanded surface. If you’re using a glass print bed, heating and cooling does something really interesting. You could also get away with 50 degrees, but I would not go higher than 60 as it is overkill. Large parts tend to lift off the bed surface, so using a heated bed will help prevent that.Ħ0 degrees is a good hot bed temperature to have for printing PLA on the Ender 3. While you can print PLA without a heated bed, using a heated bed does not do any harm and in fact, helps the print stick better. Bed temperature is essential for good first layers and overall adhesion of your 3D prints to your print bed. PETG hot end temperature: 220 degrees C Bed Temperature While you could push the nozzle to get hotter than that, the PTFE in the Bowden tube will begin to degrade. ![]() The Ender 3 does not have an all-metal hot end, which means it can’t handle temperatures higher than 230 degrees C. You don’t want to print too cold, as it will prevent the filament from flowing easily, and you don’t want to print too hot, as that can lead to oozy, over-extruded 3D prints. You can even get away with printing as low as 190 degrees or as high as 205 degrees, but this middle ground tends to work best right out of the box with a wide variety of filaments. The hot end temperature is the most basic setting you need to adjust, as it determines how the plastic filament will melt and flow.Įvery filament has a range of temperatures that it melts at, and you can usually find this temperature written on the label of the filament spool.įor PLA, 195 degrees C is a good place to start. To access some of the settings we’ve listed above, you’ll have to click the little gear menu in the print settings and enable them. Once you do this, the default settings will be loaded. Select Crealit圓D from the list of manufacturers, and select the Ender 3. With Cura open, if you go into Settings > Printer > Manage Printers, you’ll be able to choose the Ender 3 default profile. ![]() Via GIPHY How to access the default Ender 3 Cura Settings
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