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General Shapes Optimized Nesting


          - OptiNest’s Algorithm
          - Pieces Grouping
          - Propagation Mode
          - Pieces Direct Entry
          - Rotations and Reversals
          - Bored Pieces
          - Nesting Maps DXF Export


-OptiNest is a general shapes nesting sofware, based on a powerful algorithm using the BOOLE & PARTNERS CalepiLib functions library. OptiNest’s main standard parameters are calculation depth, smoothing factor, pieces grouping, and propagation mode.
-OptiNest imports pieces outlines, toolings and inner openings (bored pieces) in DXF format. Outlines and toolings are described either by closed polylines, or by a succession of open polylines, arcs, and lines.

OptiNest : general shapes optimization and nesting. Plasma and laser cutting, oxycutting, pinking, punching.

-OptiNest offers a quick entry of rectangular, circular, and polygonal shapes.
-OptiNest takes into account the cutting tool thickness, the panel trim cuts, and each piece’s color, quantity, rotation and reversal capabilites.
-After each optimization, OptiNest exports the nesting map in DXF format, maintaining pieces and toolings full DXF description.


OptiNest’s Algorithm :

OptiNest is based on a powerful multi-parameter algorithm. The «Optimization Parameters» window’s main items are cutting tool thickness, calculation depth, and pieces smoothing factor. The higher the precision, the longer the optimization duration.
OptiNest’s Algorithm

Pieces Grouping

Pieces Grouping :

The OptiNest «Pieces Grouping» option creates virtual pieces composed of pieces pairs, which will be used as single pieces during the optimization.

Propagation Mode :

Propagation is a placing method which applies to a single piece produced in large quantities, and which minimizes the off-cuts rate between pieces. The general rule consists in grouping the piece with itself, then in propagating the group along two axis. The greater the panel size, the higher the propagation performances.

Propagation Mode

Pieces Direct Entry :

As a complement to the various DXF import modes, OptiNest allows also pieces and panels outlines direct entry. In the present version, this entry is limited to rectangulars, circular, and polygonal shapes.

Pieces Direct Entry

Rotations and Reversals :

Rotation and reversal are the piece mobility parameters, and define its authorized moves. OptiNest controls 4 rotation levels, and pieces face change.
Rotations and Reversals

Bored Pieces

Bored Pieces :

OptiNest handles bored pieces, which holes are treated as a specific tooling type.

OptiNest recovers the material freed by pieces holes, and reuses it for placing smaller pieces.

Nesting Maps DXF Export :

OptiNest’s nesting maps may be exported in DXF format, then transferred either to a CAD software, or to a CNC tooling machine
Nesting Maps DXF Export


OptiNest is available in several versions, offering increasing performances :

  - ON-LT

- ON-Std

- ON-Pro



Light Version, limited to 10 vertex polygonal shapes.

Standard Version, compatible with all polyline shapes.

Toolings Version, compatible with bored and tooled pieces.


Download OptiNest User's Manual (1 Mo) : OptiNest Manual
Download OptiNest demo version : Click Here.

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