3D printer

The crucialpoint of 3D printer is its extrudor

First, it uses computer to build up model .

Second , copy the model into 3D printer andset up the parameter ,then print

The way 3D printer works is no different with

tradition one ,it is formed by print head ,control components and mechanical

components.

The crucial point of 3D printer is its extruder,

it uses special powder or plastic which can easily mix up , so the model can be

printed by layer,.