#SPG  
http://www.theverge.com/circuitbreaker/2016/9/20/12987942/makerbot-replicator-plus-mini-3d-printer-education-design  
http://www.theverge.com/circuitbreaker/2016/9/20/12987942/makerbot-replicator-plus-mini-3d-printer-education-design  

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