Connecting 3D printer owners across the world gives 3D Hubs access to key statistics relying on their users as sample of the larger picture. In November, the company released their second trend report, which suggested that Open Source RepRaps, Ultimakers, and MakerBots were among the most used 3D printers in their pool. Earlier today, the self-defined “world’s largest collaborative production platform for 3D printer owners and makers” released its December trend report, outlining how the different brands are trending.