Is 3D Printing Strength? Increasing Tips

3D printing strength is really important for standing the object and durability. There are many tactics to increase the strength of 3D printing, and those are actually working very well. The strength of the 3D printing object depends on the below factors.

3D printing is more strength when there is a high infill pattern, percentage, using more tensile strength filament, suitable printing temperature, and layer height. The most strength filament is PC (Polycarbonate). 3D printing strength is really important for the durability and stability of the model.

All these factors should be followed for the best output. You should know how these factors are effective in the final printing process and keep reading until the end-all in detail about the strength of the 3D printing.

How to Check the Strength of the 3D Printing?

In the beginning, we must know what are the appropriate strength for 3D printing filaments. Normally we can have an idea about the tensile strength and compression strength of the material. That is really important to imagine how much load, tension can behold the material. If we need to test this we have to follow the ASTM D638 standards. Those data are really proportional to its material tensile or compression strength values.

Tensile Strength of 3D printing filaments.

FilamentTensile Strength
PLA7,250 psi
ABS 6,236 psi
Nylon 12,400 psi
ASA 5,800 psi
PET22,000 psi
PETG7,700 psi
PVA4,930 – 9,000 psi
TPE1,740 – 4,210 psi
TPU4,120 – 7,850 psi
Wood Filament7,900-8,400 psi
HIPS5,801 psi
PP6300 – 8267 psi
Tensile strength of 3D printing filaments

1MPa = 145.038 psi

According to these values, material strength also varied. So let’s see more detail for the 3D printing strength.

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How Does Infill Increase the Strength of 3D Printing?

When we do 3D printing, we have to do infill in order to reduce the material. We can fill various ways between closed layers. Those are not seen to the out. But it affects the strength directly. When we build a building, we need columns and beams that are the strength of the building. This is the same here.

There are number of infill patterns. We can use those according to our time and filament cost.

Not only the infill pattern but also how much filament is to be filled in the object is also the factor of the 3D printing strength. When the infill amount is high, it reaches the solid object.

Infill Patterns
Infill patterns and percentage Source

By checking the above images, you will realize when the infill percentage is high; the strength will be high as well as the infill pattern is more stable. It can hold more load. Hence Infill pattern and infill percentage are highly effective in the 3D printing strength.

When the infill pattern and amount is badly affect for the printing time, it will take more time to print in 3D when there is more percentage and more infill patterns.

Read More About – 3D Printing Infill | Patterns, Density, Strength, Stability

How Does Temperature Affect for 3D Printing Strength?

Another important factor is the temperature of the 3D printing process. We have to use different temperatures for different materials. But we must make sure is it the correct temperature for the filament. There are so many problems that occur due to temperature problems.


  • When the extruder is overheated the layed filament is bending.
  • You can see 220 °C to 255 °C temperature has increased with 5 increments.
  • When the temperature is high the semisolid state of material convert to semi-liquid state.
  • Due to this reason it’s layer thickness will not maintain properly. Some places are necking and convert the filaments into threads. Those will not provide the proper strength for the 3D printing model.
  • It will buckle as soon as filament get cool

Low heating the extrusion

When the extruder is less heated, it produces low-temperature extrusion. This low-temperature extrusion will not adhere to the previous layer. It can be cool before it adheres to the previous layer. Due to this reason, layer bonding can be reduced. Any time layers can be slide and break. Extruded filaments can be cracked, and it will reduce the object’s strength badly. Hence 3D printing strength will reduce by the low temperature.

How Layer Thickness Effect for 3D Printing Strength?

3D printing is a process of layer by layer filament extrusion. In this process, extrusion should have enough temperature to adhere to the previous layer and should be with the sufficient layer thickness. When the layer thickness is high, we can finish the 3D printing quickly. When the layer thickness is low, we can have better strength and well finished 3D printed model.

When the layer height is high, it can be shown as above. Then the smoothness of the object is low as a low-resolution object. Strength is also reduced due to weak bonding. So layers can be lost due to the more layer thickness.

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How 3D Printing Strength is Lose?

After finishing the 3D printing, we can use it for the relevant purpose. The strength of the model depends on the material type, temperature, layer thickness, infill pattern, and percentage, etc. All these directly affect the strength of the 3D printing process. Strength depends on these factors.

  • More than that, there are factors for the Strength of 3D printing. Some filaments are biodegradable and soluble. Due to this reason, objects strength also varies. When the soluble filament gets wet, it will be soluble in the water. That is useless usage. When a biodegradable filament printed object gets wet, its inner strength will be reduced due to material properties.
  • When there are vibrations, layer adhesiveness can be reduced. So the total strength will be less due to the external effects.
  • When the printed object is subjected to high heat, sunlight, its strength will be less. When the material opens to sunlight its will be decay with the UV lights. Hence strength is reduced.
  • All of these reasons are highly affect the 3D printing object strength. So when the strength is less, make sure it is not subjected to any of these.

Ricky Louis

Hey.. I am Ricky Louis, A professional graphic designer with years of experience in 3D modeling. I would like to share my knowledge with you.

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