What is 3D printer ?
An easy explanation is a process of printing an object into three dimension which can be touchable not just a printing ink in the paper. Actually most of my friends think it is quite a new technology but actually it was used for a long time by a business sectors only because of very high cost,anyway, It become a popular topic because price has decreased a lot.3D Printer can be classified into 4 main categories
So, I will explain in brief each categories to make you guys understand easily
1) Fused Deposition Modeling
It can be called FDM or FFF in short and most popular type of 3d printer. The process is melting a plastic filament to build platform each layer.
2) Digital light processing
This method use a conventional light source with a liquid crystal display panel which is apply to the entire surface
3) Powder 3d printer
Similar to inkjet method but instead of using paper we used a powder bed of the part material
to print each layer
4) Selective laser sintering
It can be called SLS, It works with powder material by laser traced across a powder bed of compacted powder material