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Fused filament fabrication (FFF), also known as fused deposition modeling (with the trademarked acronym FDM), or filament freeform fabrication, is a 3D printing process that uses a continuous filament of a thermoplastic material. [1] Filament is fed from a large spool through a moving, heated printer extruder head, and is deposited on the ...
A print head similar to the one found in a 2D inkjet printer then applies the binder to the layer to solidify and bind it to the previous one. [2] Although binder jetting does not allow for multi-material support, there exist printers, which feature a second print head to apply pigment to the layer after the binder to allow for full color ...
In 2003, Stratasys fused deposition modeling (FDM) [11] was the best-selling rapid prototyping technology. [12] FDM is a process that the company patented, which is used to produce three-dimensional parts directly from 3D CAD files layer-by-layer for use in design verification, prototyping, development and manufacturing.
A key aspect of FDM printing is the use of specialized file formats that contain the data necessary to guide the printing process. These formats encode information about the 3D model, including its geometry, print settings and tool paths, [ 3 ] ensuring that the printer accurately recreates the digital design in physical form.
3D printing, or additive manufacturing, is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
3D printing filament is the thermoplastic feedstock for fused deposition modeling 3D printers. There are many types of filament available with different properties. There are many types of filament available with different properties.
Material extrusion-based additive manufacturing (EAM) represents one of the seven categories of 3D printing processes, defined by the ISO international standard 17296-2. While it is mostly used for plastics, under the name of FDM or FFF, it can also be used for metals and ceramics.
In addition to volumetric color by use of multiple print heads and colored binder, the 3D printing process is generally faster than other additive manufacturing technologies such as fused deposition modeling material jetting which require 100% of build and support material to be deposited at the desired resolution. In 3D printing, the bulk of ...