QA

Question: How To Prevent Elephant Foot 3D Print

Lower bed temperature: Incrementally lower the temperature of your bed by 5 °C until it successfully prints without any bulging. If you lower it by more than 20 °C outside the recommended temperature and the problem isn’t getting better, the elephant’s foot is likely to be caused by something else.

What causes elephant foot?

It’s caused by parasitic worms, and can spread from person to person through mosquitoes. Elephantiasis causes swelling of the scrotum, legs, or breasts. Elephantiasis is considered a neglected tropical disease (NTD). It’s more common in tropical and subtropical areas of the world, including Africa and Southeast Asia.

How do I stop my 3D printer from being hairy?

Grasp your hairy 3D print on a corner, perhaps with pliers. Swiftly move the print into the hot air flow for only a second or less. If the print is multi-sided, repeat for the other sides. The heat will almost instantly melt away the hairlike structures, but leave the remainder of the print secure.

How do you make the bottom of a 3D printer smoother?

The best way to fix the bottom of a 3D print that looks bad is to manage it through bed leveling, adding a raft with your model, by lowering down the print bed temperature, or by using chamfers for your print.

What is a good bed temperature for PLA?

As a general starting point, PLA tends to adhere well to a bed that is heated to 60-70C, while ABS generally works better if the bed is heated to 100-120C. You can adjust these settings in Simplify3D by clicking on “Edit Process Settings” and then selecting the Temperature tab.

Can a bad nozzle cause stringing?

If, for example, your nozzle takes too long to move between two points, stringing is likely to occur because molten plastic has more time to ooze out of the nozzle. But if the extruder can travel faster, the short moves may be quick enough that the filament will not have enough time to ooze.

What is a good retraction distance?

If you retract too quickly, the filament may separate from the hot plastic inside the nozzle, or the quick movement of the drive gear may even grind away pieces of your filament. There is usually a sweet spot somewhere between 1200-6000 mm/min (20-100 mm/s) where retraction performs best.

Does PLA react with rubbing alcohol?

There is a type of PLA whose formulation makes it soluble in isopropyl alcohol, a much less dangerous product than acetone or methylene chloride. This is why this material, of the Polymaker brand, has become quite popular among those who want to smooth their parts without getting too complicated.

What’s better PLA or ABS?

PLA is stronger and stiffer than ABS, but poor heat-resistance properties means PLA is mostly a hobbyist material. ABS is weaker and less rigid, but also tougher and lighter, making it a better plastic for prototyping applications.

What would happen if you touched the elephant’s foot?

Born of human error, continually generating copious heat, the Elephant’s Foot is still melting into the base of the Chernobyl nuclear power plant. If it hits ground water, it could trigger another catastrophic explosion or leach radioactive material into the water nearby residents drink.

Is the elephant’s foot still lethal?

The foot is still active. In ’86 the foot would have been fatal after 30 seconds of exposure; even today, the radiation is fatal after 300 seconds.

What is 3D printer ghosting?

Ringing, sometimes known as ghosting or rippling, is when lines or features on a 3D print seem to repeat themselves across the surface of the model. Usually, 3D printer ringing artifacts will be focused around sharp corners of the model, like in the picture above. What Causes Ringing? Ringing is caused by vibrations.

Is 220 PLA too hot?

The general range for PLA is around 190 to 220 °C. If your layers aren’t adhering to one another, heating up your hot end can usually fix it, but be careful: If the extruder is too hot, the PLA filament can become extra soft and flimsy. This can cause your prints to be messy and droopy.

What causes PLA to curl?

Warping occurs due to material shrinkage while 3D printing, which causes the corners of the print to lift and detach from the build plate. When plastics are printed, they firstly expand slightly but contract as they cool down. If material contracts too much, this causes the print to bend up from the build plate.

What causes 3D prints to curl?

In 3D printing, we heat the filament to somewhere beyond its melting point so that, in its liquid form, it can be extruded onto a build plate. And if this occurs when the hotter layers are below the colder ones, the 3D printed object will be forced to let go of its grip on the build surface, and curl upwards.

Why is my print so stringy?

Retraction is the main factor in why prints will have small strings of filament between open spaces. When the nozzle head moves over open space of the bed to go to another portion of the print, the printer will retract or back the filament away from the hot end.

What is Z hop?

Z Hop at Retraction | ideaMaker profile The specified z hop value is the distance the nozzle gets lifted away from the surface of the model during retraction. This helps prevent nozzle from scratching again the printed part when traveling across.

Why are my 3D prints weak?

The most common causes is simply printing too cold or too fast. Too fast might mean simply the layer height is too thick – when I talk about printing speed I multiple nozzle width X speed X layer height. The higher the temp, the less viscous the plastic is and so you can print faster (but quality goes down).

How do you reduce stringing?

To reduce the amount of stringing temperature is key. A high temperature means that the material will be more liquid, through which it can easily drip from the nozzle (even though retracted). By using a lower temperature the material is less liquid and thus less likely to string.

How can I reduce retraction?

Retraction is a process used to reduce this effect. By pulling some of the plastic out of the printer’s hot end before it travels, the pressure in the molten plastic is reduced, decreasing the odds of stringing over open spaces.