- Material Type: A choice of either ABS or PLA plastic. Occasionally you’ll see a unique support material offered, such as MakerBot’s water soluble PVA.
- Filament Size: Either 3mm or 1.75mm, depending on the extruder your machine uses. So it’s not really a choice.
- Color: We like blue.
Smart International announced a high-temperature 3D printing option: the Macro HT.