Measure the actual cut
Kerf is the width of material removed by the tool, which can differ from the blade plate thickness. Make a test cut in comparable stock and measure the result. Using zero kerf because a drawing looks tight can make the final parts undersized or impossible to fit.
Separate trimming from kerf
An edge trim removes an allowance from every outer side before the usable rectangle is packed. Kerf applies to subsequent splits within that rectangle. The coordinate exports still reference the original sheet, so the first usable corner starts at the trim distance in both axes.
Follow the split sequence
Each placed part is isolated by one or two guillotine cuts through its current rectangular region. The cut CSV records those operations in order. The coordinate marks the beginning of the removed kerf strip; it is not a blade-center instruction. Review the drawing and your saw setup together before cutting.
Work from the usable stock rectangle
For a 1,220 × 2,440 mm sheet with 5 mm edge trim, the usable rectangle is 1,210 × 2,430 mm. Its first corner is at (5,5) relative to the original sheet. Enter a measured 3.2 mm kerf separately; the tool deducts that width when splitting an available rectangular region.
Two 600 mm parts placed side by side with one intervening 3.2 mm cut need at least 1,203.2 mm before any additional boundary split. They cannot fit across a usable width of 1,200 mm, even though their nominal part widths sum to exactly that value. This is why a zero-kerf layout can be misleading.
Read cut positions before using them
The cut sequence uses original-sheet coordinates and identifies the start of a removed kerf strip. It is not a direct fence setting or a blade-center location. Compare each operation with the current rectangular workpiece and the placement diagram. Edge trimming is accounted for in the usable area but should be prepared deliberately before following the internal split sequence. Save the original dimensions with the exported plan.