Layered cut files that don't merge in cutting software

Why layers disappear

A plain PDF has no concept of editable layers unless the layers are written as Optional Content Groups. Export a cut file as a flat PDF and the geometry survives while the layer structure does not, so the cutter sees one set of paths and assigns them all to one tool.

SVG has layers, but only if each process sits at the top level of the document. Most export routes wrap everything inside a single group — the notorious "Layer 1" — and cutting software reads that as one layer with sub-groups it ignores.

What cutting software actually reads

Cutting front-ends map a tool to a layer name or a spot colour name. Two things must hold: each process is at the top level of the layer tree, and its name matches what the machine profile expects.

• Top-level layers only — no processes nested inside a parent group.
• Consistent names: Thru-cut, Kiss-cut, Crease, Drill, Route, Regmark.
• One process per layer; never two tools sharing a layer.
• Register marks on their own layer so they are read as marks, not cuts.
• No artwork on the cutter file at all.

Native .ai beats PDF and SVG

Illustrator's native format records layers as document structure, which is why cutting software round-trips it reliably. PSD Pro Suite writes cutter files as true .ai artwork with each process as its own top-level layer, and wraps the paths in native Illustrator records rather than exporting a PDF with an .ai extension.

Where a PDF is required instead, the layers are written as Optional Content Groups so a layer-aware reader still sees them separately.

Check it before the job runs

• Open the cutter file and look at the layer palette: you should see one layer per process, all at the top level.
• Hide every layer but one — only that process should remain visible.
• Confirm there is no artwork, no clipping mask and no stray guide geometry.
• Check register marks are 6mm and unstroked, so the camera reads them as filled dots.
• Import into the cutter and confirm each layer maps to the tool you expect before sending the sheet.

Multi-sheet runs

Long runs produce more than one sheet, and one file per sheet keeps the layer structure intact. PSD Pro Suite writes each sheet as its own .ai and delivers the set as a zip, rather than stacking sheets as artboards in one document where layer mapping gets ambiguous.

Related

• Cut contour setup for large-format print
• Nesting software for cut letters & shapes
• Imposition & step and repeat