Mesh Splitting
This is a quick tutorial on splitting a mesh in Blender with a guide plug. Start with your beautiful mesh. I’ve added Blender’s Suzanne mascot: The first thing we’re going to do is create a cutting mesh. This will determine the shape of the guide plug and shape of the cutting surface. First, create a mesh for the plug. Press Shift+A to add a mesh. I’ve chosen a cylinder, but you can use whatever mesh you want. A box-shaped plug will prevent the two halves from rotating and might be a better choice. You can expand the menu in the bottom left to input the exact dimensions of the mesh: ...