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Choosing a Filament Diameter: 1.75 mm vs. 3.00 mm

Choosing a Filament Diameter: 1.75 mm vs. 3.00 mm

Written by David

March 1, 2019

One of the biggest advantages of Fused Deposition Modeling (FDM) as a 3D printing technology is the wide range of filament materials it can work with. Aside from popular variants such as PLA , ABS , and PETG , more and more manufacturers have been coming up with creative and exotic filaments. Nowadays, you can get filaments that simulate the appearance of wood or metals, or even filaments that can conduct a small amount of electricity. One of the primary specifications that a 3D printing professional looks for when shopping for filaments is the filament diameter. Filaments come in two standard diameter options: 1.75 mm and 3.00 mm. We’ve gotten so used to seeing these diameter sizes that we haven’t stopped to ask questions – until now, that is. Why are there two filament diameters? What is the difference between the two? Is one better than the other? Why […]


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