Latest FAQs

We ship all of our orders the day after they are received. If you have placed your order before 10:00 am, it is very likely that it will be shipped the same day.

Yes, you just have to select it in the shipping options.

Please note that orders may take a day to be ready.

We try to maintain a stable stock of all our products. Please note that the website will only allow you to order products that are available at that time.

If there is no stock available, you can set an alarm on the product page that will notify you when the product is back in stock.

If you urgently need to purchase a product that is not available, contact us and we will try to solve it.

Don't worry, we understand that these things can happen. The only thing we are going to ask of you is that the filament has not been opened. To manage a filament change due to diameter reasons, you can send us an email to info@3dfils.com or use the form contact.

Remember to have the order reference on hand to speed up the process.

As you all know in 3D printing objects are built layer by layer. This implies that each layer supports the next layer. This next layer may not coincide exactly with the previous one, which causes part of the layer to be exposed, that is, without being supported by the previous layer.

There is a point where this is not possible since the upper layers do not have enough support from the lower ones. This occurs when we exceed an angle of 45º. To solve this problem and for the piece to hold up during printing we need to use the support structures.

What are support structures in 3D printing?

The support structures are elements that are printed together with the model but that are not part of the original design and that serve to support the protruding parts of the models that exceed 45º.


These support structures can be made of the same material as the main piece or, if we have an extra extruder, of another material that is easier to remove.

The support structures are created from the same program with which we prepare the 3D printing and their correct configuration is crucial to obtain a good finish in the parts in which we use them.

The support problem with flexible materials


When we use rigid materials such as PLA remove the support, although sometimes tedious, it is usually simple. With the appropriate tools we break the support structure and remove it. This is because support structures are often thin and brittle with rigid materials.

Removing flexible supports

With flexible materials things change. Although the support structures remain thin, the very nature of the material means that it does not break. So the only way to remove the support material is by stretching or cutting in the worst cases.

What should be taken into account when configuring support for flexible materials?

There are two key aspects when setting it up: the support pattern and the gap between the support and the part.

As we have said before, the only way to remove the support in 3D printed parts with flexible filament is to stretch. This is why we must configure the support in a way that makes this task easier for us.

Speaking of thesupport pattern, it is best to reduce the contact points by trying to make the supported surface as large as possible. We have to avoid types of support in which the structure crosses each other, such as a support with a grid pattern. Our choice is always a support with a cross pattern since the area it supports is much larger but the contact points are always a single line.

To see this we are going to compare the single line pattern with the cross pattern.

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As you can see for the same area, the cross pattern supports more areas than the others with the advantage that it always maintains the minimum contact surface, not like the grid support that when intersecting creates areas where removing the support is going to be more difficult for us.

The other fundamental parameter is the separation between the piece and the support. If we leave it too close together, the support will fuse with the piece, making its removal impossible. If we separate it too much it will not be able to withstand the layers of 3D printing, resulting in a disaster.

Recommended parameters to generate support with eFil

Taking into accountAll of the above, the parameters we recommend for the eFil range of flexible filaments are:

Cantilever angle 45º
Density 25%
Support pattern Cross
Z distance on the support 0.19mm
X/Y distance on the support 0.7mm
Priority in support distances Z over X/Y

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Your orders can go through five different states:

  • Payment accepted: This is the default status when you have placed an order and it has been processed correctly.
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How to dry 3D filaments?

The materials used for FDM 3D printing are known as polymers. One of the properties that these polymers have in common is that they are hygroscopic, that is, they can attract, to a greater or lesser extent, moisture from their environment and incorporate it into their molecular structure. This modifies its composition and can cause a 3D printing filament to not behave as it should.

How to prevent humidity in 3D printer filaments?

At 3DFils we are aware of the problems that a wet filament can cause. That is why we provide our filaments vacuum packed in metalized bags with silica gel inside. Even so, you should know that once the filament is opened, it can absorb enough moisture to render it unusable within 24 hours, depending on the material.

To avoid this, you must store the filaments correctly, in a container isolated from the outside and with a desiccant that absorbs ambient humidity. There are professional solutions for this and some that you can make yourself.

How do you know if the 3D filament has absorbed moisture?

The clearest sign that a 3D printing filament has absorbed moisture is that you will begin to see a poor aesthetic finish on your printed pieces. Gaps, dripping material, excess threads... are some of the most common problems that a wet filament can cause.

Some filaments are more sensitive to humidity than others, so the effect you may notice will be different. In PLA, you will see that the material becomes more brittle. In PETG you will notice an excess of threads running through all the points where the extruder of your 3D printer has passed and poor adhesion between layers. What is common to all materials is the poor aesthetic finish of the pieces.

Should I dry the 3D filaments before each print?

It depends on the material you are going to use and the quality you need for your pieces. For a good finish the answer is clear, yes, you must always dry the material before printing any piece. This does not apply if you already keep the material dry. As a general rule, you should always print with your 3D printing filament dry.

Now, there are materials that are more demanding than others. You can print PLA even if it has accumulated some moisture and you probably won't notice any difference. Other materials such as PETG, TPU or Nylon are more sensitive to humidity. Working with these materials you will not be able to obtain good results if you do not print with the filament completely dry.

How to dry 3D printer filament?

Below we provide a table with the recommended temperatures and drying times for each material:

Material Temperature Time
PLA 45ºC 6 hours
TPU 60ºC 8 hours
PETG 60ºC 6 hours
ASA 85ºC 4 hours
PC 85ºC 5 hours
PA 90ºC 6 hours

To dry the filament you can use:

  • Dryingr of filaments: There are devices designed specifically for this function. These not only dry your filament but keep it in optimal condition for printing. Some can even be used at the same time as printing.
  • Oven:It is possible to dry the filaments in a domestic oven. If you are going to use it, you must insert an external thermometer to ensure that the temperature is correct, since the fluctuations of these appliances can damage the material.
  • Food Dehydrator: It is possible to use a food dehydrator to dry your 3D filament. Make sure the working temperature of the dehydrator is appropriate for the material you want to dry.

Once dry, keep the filament well stored.

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