538
It uses Boolean combination of defect image and architecture image to create 3D scaffold image .
 concept or principle: defect; application: architecture; concept or principle: 3D; concept or principle: image
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: 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:
 concept or principle: defect; application: architecture; concept or principle: 3D; concept or principle: image