Free Express Shipping! MakerBot Educators Guidebook Crash Course on 3D Printing, 9 Classroom-Ready 3D Projects, Written by MakerBot, Collaboration with 3D Printing Educators
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.