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What is FDM Fused Deposition Modeling?
Fused Deposition Modeling (FDM): 3D Printing for Everyone
What is FDM?
Fused Deposition Modeling (FDM) is the most common and widely used type of 3D printing. Think of it as a high-tech hot glue gun controlled by a computer.
How Does It Work?
A spool of plastic filament is fed into a heated printer nozzle.
The nozzle heats the filament, turning it into a molten liquid.
The printer moves the nozzle precisely, depositing the melted plastic layer by layer onto a build platform.
The plastic cools and solidifies instantly, bonding to the layer below.
This process repeats, building a three-dimensional object from the bottom up.
Key Advantages:
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Low Cost: Printers and materials are affordable.
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User-Friendly: Simple to operate, perfect for offices, schools, and homes.
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Material Variety: Works with many plastics like PLA (easy to use), ABS (strong), and PETG (durable).
Main Limitations:
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Visible Layer Lines: Printed objects often have a rough surface texture.
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Lower Resolution: Not ideal for models with extremely fine details compared to other 3D printing methods.
In short, FDM is a versatile and accessible technology that turns digital designs into physical objects, making it a cornerstone of modern prototyping and DIY projects.