HIPS is nice for models which demand internal supports for extremely thorough prints or prototypes with several overhangs. These filaments are heavier than straight plastic so you get fewer filament for each spool. This iron Benchy weights 17g, even though a pure PLA Benchy weights 12g. Thermoplastics are referred to https://3d-printer-filament66677.tinyblogging.com/the-definitive-guide-to-3d-printer-filament-76718466