¿Soportes normales o soportes de árbol?
One of the most important decisions you'll make when preparing a 3D model for printing is how to support the
structure during the printing process. Whether you're printing a complex object with overhangs or intricate details,
support structures are essential to ensure a successful print. When it comes to choosing support types, two of
the most common options are normal supports and tree supports. Each offers its own set of advantages and
considerations, depending on your specific printing needs and material choices.
In this article, we will break down the differences between normal and tree supports and help you determine
which one is the best fit for your project.
What are Normal Supports?
Normal supports, also known as mesh supports or traditional supports, are the most commonly used support
structures in 3D printing. These supports are typically arranged in a dense mesh pattern and located below any
overhanging parts of the model. They provide stability to the model during printing, ensuring that parts of the
model do not sag or fail to print due to gravity.
Advantages of Normal Supports:
Ease of Use:
Normal supports are very intuitive to use, making them ideal for beginners. Most slicing software offers default
settings that automatically generate a simple mesh support structure beneath the model.
Strong and Reliable:
Thanks to its robust mesh structure, normal supports are very stable and can support large overhanging structures
without collapsing.
High Compatibility:
Normal supports are versatile and compatible with various types of printing filaments, including PLA, ABS, and PETG.
Disadvantages of Normal Supports:
Difficult Removal:
After printing, normal supports can be challenging to remove, especially in intricate areas. This can result in visible
marks or damage to the printed object.
Excessive Material Usage:
Because normal supports cover a large area beneath the model, they tend to consume more filament, making
them less efficient in terms of material use.
Surface Finish:
The interface between the support and the printed object may leave behind some rough spots that require post-
processing to smooth out.
What are Tree Supports?
Tree supports are a more advanced type of support structure that mimics the branching pattern of a tree. Instead
of creating a solid grid, tree supports use thin, branch-like supports that grow out from a central stem. These branches
reach out to support the overhanging parts of the model without covering the entire surface.
Advantages of Tree Supports:
Reduced Material Usage:
Tree supports are more efficient when it comes to filament usage because they use less material. The branch-like
structure means fewer support structures are used, reducing waste.
Easier Removal:
Since tree supports have fewer contact points with the model, they are generally easier to remove compared to
normal supports. This reduces the risk of damaging delicate parts of the print.
Better Surface Quality:
The fewer contact points between the tree support and the printed object result in a smoother surface finish,
reducing the need for post-processing work.
Disadvantages of tree supports:
Complexity:
Tree supports can be more difficult to set up, especially for beginners. The support structures need to be carefully
optimized to avoid excessive branching or insufficient support.
Less Stability for Large Overhangs:
Tree supports work well for smaller overhangs, but for large, heavy models, they may not provide the same level
of stability as normal supports.
Software Compatibility:
Not all slicing software supports tree supports, so you may need to use specialized software like Cura or PrusaSlicer
to generate these structures.
How to Choose Between Normal and Tree Supports?
The choice between normal and tree supports depends largely on the complexity of your print and the materials
you're using. Here are some factors to consider when making your decision:
Print Complexity:
For prints with large overhangs or heavy models, normal supports are often the better choice, as they provide solid
and reliable support. Tree supports are ideal for prints with smaller overhangs or more intricate designs.
Material Efficiency:
If you're looking to save filament and reduce waste, tree supports are the better choice due to their branch-like
structure.
Post-processing Needs:
If you're aiming for a smoother surface finish and easier removal of support, tree supports can offer a cleaner result
with fewer marks.
Filament Type:
Both normal and tree supports work well with standard filaments like PLA, but if you're using specialized filaments
(like flexible or high-temperature filaments), consider the stability of the supports under the specific material's
requirements.
