30s
3d printer
3d printing
3d shape
academic
campus
caucasian
college
college student
construction
designer
education
engineer
engineering
heavy machinery
higher education
indoors
industry
innovation
knowledge
looking
machinery
male
man
manufacturing
manufacturing equipment
manufacturing machinery
mechanic
mechanical
mechanical engineering
mid adult
object
polymer
printing
product design
school
student
technician
technology
university
university student
watching