7608
With the maturation of 3D printing ( 3DP ) technology in the past two decades , porous TCP scaffolds can also be easily prepared with complex design and high dimensional accuracy .
 3D printing, 3DP, technology, porous, scaffolds, be, design, dimensional accuracy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 3D printing, 3DP, technology, porous, scaffolds, be, design, dimensional accuracy