Adaptive Infill

One of the new features of Voxelizer is adaptive infill.

This type of infill provides a better solution for certain situations. For instance, you have a model with few horizontal surfaces and because of that you are required to use a dense infill. Or, if you have a large model which you want to be strong so it requires you to use a large amount of infill which seems unnecessarily wasteful. These types of problems are addressed by this new type of infill..

Let’s take as an example the model of these mountains which we often send to resellers and clients:

It is usually printed with a layer height of 0.16 mm and a light durability preset with a 30% infill. With these parameters, the total amount of filament used is 35.11m and the total printing time is 16h 01min. In this example, however, only the flat parts of the model require this large  amount of infill. Let’s look at the same model using adaptive infill.

In the durability presets, let’s select adaptive, giving it a value of 50% then click NEXT.

The printing time has dropped to 8h 45min and the filament used to 17.73m. A 50% savings of time and filament!

If you look at the generated gcode you will notice that the adaptive infill becomes more dense when approaching the surface of the model, while remaining sparse towards its inside. With this approach we address both of the problems mentioned in the beginning: having the right amount of infill only where it is needed while ensuring the strength of the model.

Most often you will get the best results with an infill value of 50%, however you can experiment with higher or lower settings.

If you want to be sure that the distribution of the infill density occurs precisely, you can increase the Width/height ratio parameter under the Durability settings. Be aware that this increases the time of computation.

If you want to further increase the strength of the model, you can activate the Line crossing option at the cost of a higher printing time and increased filament usage. With this setting the horizontal and vertical infill lines will cross at each layer instead of alternating.