Router Nesting Nested Parts High yields can be crucial to a job's profitability. Mastercam includes essential nesting capabilities for parts and toolpaths. Basic Nesting Nest any toolpath so that each part is cut exactly as you want it. Fast, efficient rectangular part nesting. Complete control over part-to-part distance, sheet margins, and more. Directly place CAD models from a variety of sources. Maintain grain direction on any part. Advanced Nesting Mastercam Router offers optional advanced TrueShape nesting, adding an extra level of efficiency to your processes. Automatic interlocking nesting maximizes material use. Group parts to ensure the entire set is always cut. Custom sheet definition and filler parts reduce waste. Save sheet scrap for later use. Assign priorities to make sure that the parts you need the most are nested first.