Autodesk’s modeling tool for combining parts from different 3D models has received a significant update. New features include an integrated 3D Print Preview, Slicing Analysis tool, Attract To Target tool, improved rendering performance for large models, multi-threaded computation for many tools, etc. Meshmixer is being developed by Ryan Schmidt at Autodesk Research. Watch a new features video, read the complete list of changes and download the software from the Autodesk 123D website.