3D Systems DDD: With total sales of $653.7 million for the financial year 2014, the Zacks Rank #3 (Hold) stock’s portfolio boasts industry-leading 3D printing technologies like Stereolithography, Selective Laser Sintering and ColorJet Printing, among others.
Analyze the relationship between '3D Systems' and '3D printing' within the context of the input sentence.
Options: operator, industry, legal form, position held