FDM technology is the most popular one among all the 3D Printing technologies. In FDM technology we use 3D printed filaments. Most of the FDM printers are using PLA, PETG and ABS filaments but FDM printers also handle nylon, PVA, TPU and a variety of PLA blends (mixed with wood, ceramics, metals, carbon fiber, etc.). These filaments are available in different colors and flexible materials. FDM printers can use standard filament rolls that are available in two standardized sizes (diameter: 1.75 or 2.85mm)
In SLA 3D printers resins are used. These resins are of limited colors and at higher prices. The resins are difficult to interchange and depend on the manufacture’s specifications. Some of the resin based printers only offer black, white, grey and clear resins.