In some cases, you might want to change some settings just for a specific section of your model. For example, you might want part of your model to have denser infill or more perimeters for increased rigidity. But you don’t want to adjust these settings globally, because that would waste a lot of material and increase the print time.
There are multiple ways to specify which section of the model should be affected by the custom settings. You can use a height range modifier, simple modifier mesh primitive (e.g. cube) or a custom model modifier mesh.
Right-click on a model and pick Height range modifier from the context menu.
A new window will appear in the right panel called Height ranges. Here you set intervals, between which you can apply different settings. When you set an interval, it will appear in the Object list in the right panel.
You can add or remove intervals with the orange plus and minus icons.
When you click on the gear icon next to the interval, you can choose to set up:
Advanced mode - custom infill, layers, and perimeters or support material
Expert mode - custom infill, layers and perimeters, support material, extrusion width, speed, and several other settings
The interval setting also features a layer height input. By default, the global layer setting is used, but you can choose to slice the model at a different layer height and only the interval will be affected by this change. Keep in mind that if you set up a different layer height for the entire model, on the height interval it will be overridden by this value.
A height range modifier was used to set the top and bottom layers to 0 and to change the infill pattern to triangles for the bottom (black) part of the model
Modifier meshes apply custom settings to the intersection of the modifier mesh and the model.
Right-click on a model and pick Add modifier - [Select modifier type]. Alternatively, you can right-click on the gear icon in the Object list panel.
There are 4 primitives to choose from - Cube, Cylinder, Sphere and Slab.
Additionally, in the expert mode, you can use a custom shape as a modifier mesh by selecting Load … in the mesh selection. This mesh is typically something you’ve modeled beforehand in a 3D modeling program.
A modifier mesh in the shape of a rectangle that removes top and bottom solid layers and another one in the shape of a plane that turns them back on and changes the extruder to number 2 (printed with the MMU2S)
When you pick the modifier shape (e.g. cube) it will appear in the 3D view and in the Object list in the right panel.
You can either right-click on the modifier in the 3D view or click on the gear icon in the Object list panel to select:
If you moved a modifier above the print bed you can use the button in the Part manipulation panel to place it back down.
If you have a question about something that isn't covered here, check out our additional resources.
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