True or False: Adding more triangles to an STL file improves the final part finish.

Adding more triangles to an STL file can indeed improve the final part finish. This is because STL files represent 3D geometries using a mesh made up of triangular facets. A higher number of triangles allows for a more detailed representation of complex surfaces and intricate details of the geometry. This increased complexity can lead to a smoother finish on parts when they are manufactured using additive manufacturing processes, as the printer can more accurately follow the intended design.

In contrast, if the STL file consists of too few triangles, it may result in a faceted appearance, particularly on curved surfaces, leading to a rougher finish. However, simply increasing the number of triangles beyond a certain point may not yield significant improvements and could also result in larger file sizes and longer processing times, which might not be advantageous depending on the specific applications and requirements.

When it comes to the impact of software, while different slicers and processing software may interpret STL files with varying capabilities, the fundamental nature of the STL format remains that an increase in triangle count generally leads to a finer detail in the printed object. Therefore, for the purposes of improving part finish, having more triangles is beneficial.