Desktop app · Windows & Linux · G-code ready

CAD/CAM Nesting for
Fast Wire Foam and Polystyrene Cutting

Import your DXF parts, nest them onto your foam block, control every cut line, and export clean g-code for your CNC hot-wire machine — running natively on your own computer.

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Wire Nesting

Place parts with automatic part-to-part spacing, create cut paths, nest manually, auto lead-in and lead-out connections, and much more.

FoamNester nesting workspace preview

Trace

A CAD tool with image tracing, scale calibration to your drawing, and custom drawing features designed to make drawing a lot easier.

Tracing a profile over a reference image in FoamNester
A traced profile ready to cut in FoamNester

Tracing — draw cut-ready profiles straight over a picture.

DXF Cut Outs

Keep a library of custom rib inserts for joining foam products, then select an insert from the library, place it, and cut it into your DXF in a few clicks.

Inspecting a DXF drawing in the FoamNester DXF viewer

DXF Viewer — check chained paths and open ends before you cut.

Everything you need to cut smarter

Built for makers and shops running hot-wire and CNC foam cutters.

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Easy profile tracing

Trace shapes over an image or drawing with lines, arcs and splines — then clean them up into cut-ready profiles.

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DXF import

Load DXF drawings and turn them into editable, chained paths ready to nest and cut.

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G-code export

Generate machine-ready g-code with post-processors for Mach3/4, LinuxCNC, GRBL, UCCNC and more.

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Full cut-line control

Add vertical, horizontal, chop and U-parting cuts with direction, lead-in/out and ordering.

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Custom foam blocks

Define stepped leftover blocks so nesting respects the exact shape of the foam you have.

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Kerf compensation

Per-part kerf offsets with fixed edges keep your finished sizes accurate to the wire.

Three tools, one workspace

Everything for wire and foam cutting under a single tab bar.

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Nester

Nest all your parts onto the block with rotation, spacing and full cut-line control, then export g-code.

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Tracing

Trace easy profiles straight from a picture — drop in an image and draw cut-ready shapes over it.

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DXF Viewer

Open and inspect DXF files, check chained paths and spot open ends before you cut.

Ready to nest your next job?

Create an account and start cutting with less waste today.