3D Slicers

What Is a Slicer in FDM 3D Printing?

A slicer is specialized software that converts 3D models into printable instructions (G-code) for FDM printers. It "slices" digital designs into horizontal layers, calculates toolpaths, and defines parameters like print speed, temperature, and material flow. Slicers enable precise control over print quality, material efficiency, and structural integrity.

How Slicers Work

1. Model Import: Accepts 3D files (STL, OBJ, STEP, etc.) to define geometry.

2. Layer Segmentation: Divides the model into layers based on user-defined layer heights (e.g., 0.1mm–0.3mm).

3. Toolpath Generation: Maps extruder movements, including infill patterns, supports, and adhesion aids.

4. Parameter Configuration: Adjusts nozzle temperature, retraction, cooling, and material-specific settings.

5. G-Code Export: Generates machine-readable instructions for the printer.

Key features include infill density optimization, support structure generation, and print speed adjustments for balancing quality and efficiency.