Rhino 3D Tip: Rhino Nesting Best Practices for Fabrication Workflow

Efficient nesting in Rhino can save material, reduce cutting time, and make fabrication workflows much more predictable. Whether you are preparing parts for CNC routing, laser cutting, or sheet-based production, a clean nesting strategy starts long before export.

In Rhino, the goal is not only to fit as many parts as possible onto a sheet, but also to keep the layout organized, production-friendly, and easy to revise when designs change. If you are building fabrication workflows with Rhino, it is worth keeping an eye on tools and software options available through NOVEDGE.

• Start with clean 2D geometry.
  Before nesting, make sure your profiles are fully closed, planar, and simplified where possible. Use commands such as SelOpenCrv, Join, SimplifyCrv, and ProjectToCPlane to clean up outlines. Bad curves lead to bad nests and unreliable toolpaths.
• Prepare parts on the correct construction plane.
  If your parts were modeled in 3D, create manufacturing outlines in Top view and ensure everything sits flat at Z=0. This helps avoid export errors and keeps spacing consistent.
• Use layers to separate part types.
  Organize cut lines, engrave lines, bend guides, and reference geometry on separate layers. This makes it easier to control visibility and export only what production needs. Layer discipline becomes especially valuable when revising nested sheets.
• Leave realistic spacing between parts.
  Nesting too tightly may look efficient, but it can create issues during cutting, especially with heat, tool diameter, hold-down requirements, or material movement. Define spacing based on your fabrication process, not just visual fit.
• Consider grain direction and part orientation.
  For wood, brushed metals, composites, or any material with directional properties, part rotation is not always arbitrary. Keep orientation consistent where appearance, strength, or finishing depends on it.
• Use bounding boxes as a quick planning tool.
  Rhino’s bounding box tools can help estimate space requirements before doing a more refined arrangement. This is useful when comparing sheet sizes or grouping families of parts.
• Group related parts before nesting.
  If several pieces belong to one assembly, keep them near each other when possible. This improves identification on the shop floor and reduces sorting time after cutting.
• Add labels only if they support production.
  Part numbers, etch marks, or temporary reference text can be helpful, but keep them controlled and on separate layers. Too much annotation can clutter the layout and complicate export.
• Check sheet borders and machine margins.
  Do not nest right up to the edge unless your machine setup allows it. Leave margin for clamps, vacuum zones, lead-ins, or registration needs.

A practical Rhino workflow is often:

• Clean the part geometry
• Orient all parts flat to the CPlane
• Sort by material and thickness
• Arrange manually or with nesting tools
• Verify spacing, direction, and sheet margins
• Export only the required curves for fabrication

If you want to expand Rhino into a more production-ready environment, explore Rhino-related tools and workflows from NOVEDGE. A well-planned nesting process is not just about fitting parts on a sheet—it is about creating a repeatable, reliable path from design to fabrication.

You can find all the Rhino products on the NOVEDGE web site at this page.