Slic3r

Highly Configurable: Users have found Slic3r to be highly configurable and easy to navigate, even for new users. Some reviewers noted that it allows for easy customization and optimization of the printing process, including settings such as material and temperature selection. The ability to easily understand the relationship between input and output has also been appreciated by users.

Versatile: Many users have found Slic3r to be versatile, with the ability to work with a variety of formats and systems. One user who is an architecture student noted that they were able to use it not only in 3D printers but also in CNC cutting machines. Additionally, some reviewers praised its compatibility with any 3D printer.

Easy-to-Use Interface: A majority of reviewers mentioned that Slic3r has a simplistic and intuitive user interface that makes it easy-to-use even for beginners. They appreciated the simple 3D editing tool within Slic3r which allows for adding supports to printing without much hassle. Some users went so far as to say after using multiple slicing software for 3D printers, Slic3r was their favorite due to its ease-of-use along with wide configuration options available within the platform.