Meshmixer is a powerful 3D editing and sculpting tool developed by Autodesk. It is a free, powerful and easy-to-use 3D modeling application that enables users to combine 3D models, sculpt and paint with an intuitive interface. It is capable of creating complex 3D models with a few clicks and with the help of powerful tools for manipulating and combining 3D objects. Meshmixer can be used for 3D printing, 3D scanning, virtual reality, 3D animation, 3D design and more. It also offers innovative tools such as automatic remeshing, sculpting, real-time Boolean operations, 3D printing support and more.
Blender does not have the specific function to prepare a model for 3D printing.