diff --git a/OpenNest.Reporting/NestPdfWriter.cs b/OpenNest.Reporting/NestPdfWriter.cs
index 31661fe2..d0b31c0a 100644
--- a/OpenNest.Reporting/NestPdfWriter.cs
+++ b/OpenNest.Reporting/NestPdfWriter.cs
@@ -729,7 +729,7 @@ public static class NestPdfWriter
     }
 
     // Zero thickness means "unset" in a new nest; never present it as a genuine value.
-    // A standard gauge or plate fraction leads, as the thickness box lists it: "16 ga - 0.0598 in".
+    // The machine config's name for the thickness leads: "16 ga - 0.0598 in".
     private static string Thickness(NestReportSnapshot snapshot) =>
         snapshot.Thickness <= 0 ? "Not specified"
         : snapshot.ThicknessName.Length > 0 ? $"{snapshot.ThicknessName} - {Number(snapshot.Thickness)} {snapshot.Units}"
diff --git a/OpenNest.Reporting/NestReportSnapshot.cs b/OpenNest.Reporting/NestReportSnapshot.cs
index 46e9435f..d93b4f4a 100644
--- a/OpenNest.Reporting/NestReportSnapshot.cs
+++ b/OpenNest.Reporting/NestReportSnapshot.cs
@@ -63,9 +63,9 @@ public sealed record NestReportSnapshot(string Name, string Customer, string Not
     public long TotalSheets => Plates.Aggregate(0L, (total, plate) => checked(total + plate.Copies));
 
     /// <summary>
-    /// The standard gauge or plate fraction the thickness matches ("16 ga", "1/4\""), shown
-    /// before the decimal; empty when it matches none. Reporting has no thickness table of its
-    /// own, so the caller supplies it.
+    /// The name the nest machine's config gives this thickness ("16 ga"), shown before the
+    /// decimal; empty when it has none. Reporting does not read machine configs, so the caller
+    /// supplies it.
     /// </summary>
     public string ThicknessName { get; init; } = "";
 
diff --git a/OpenNest/Forms/EditNestForm.cs b/OpenNest/Forms/EditNestForm.cs
index 18b456e7..b9f5ebb8 100644
--- a/OpenNest/Forms/EditNestForm.cs
+++ b/OpenNest/Forms/EditNestForm.cs
@@ -848,10 +848,11 @@ namespace OpenNest.Forms
             // Reporting must have no accounting side effects: no quantity refresh, no
             // selection or dirty-state change. Only the detached snapshot reaches the writer.
             var material = targets.Nest.Material;
+            var machine = MachineSettings.FindMachine(targets.Nest.Machine);
             var catalogDensity = Data.MaterialDensityLookup.Resolve(
                 material?.Name,
                 material?.Grade,
-                MachineSettings.FindMachine(targets.Nest.Machine),
+                machine,
                 MachineSettings.LoadMaterials()
             );
             var snapshot = NestReportBuilder.Capture(
@@ -861,8 +862,8 @@ namespace OpenNest.Forms
                 catalogDensity
             ) with
             {
-                ThicknessName =
-                    Data.StandardThicknesses.Find(targets.Nest.Thickness, targets.Nest.Units)?.Name ?? "",
+                // The name the machine config gives the nest's thickness ("16 ga"), if any.
+                ThicknessName = Data.MachineCuttingDefaults.Find(machine, targets.Nest)?.Name?.Trim() ?? "",
             };
             NestPdfWriter.Write(snapshot, destination);
         }
diff --git a/docs/nest-reports.md b/docs/nest-reports.md
index 4efd42fb..83e9d84a 100644
--- a/docs/nest-reports.md
+++ b/docs/nest-reports.md
@@ -112,10 +112,11 @@ beside the ID; complete drawings show no status. Cards without a weight show
 a table row, so a card never splits across pages.
 
 The summary's header lists the job and material on the left and the totals on
-the right, to leave room for part cards on the first page. A thickness that
-matches a standard gauge or plate fraction leads with its name, as the
-thickness box lists it ("16 ga - 0.0598 in"); the desktop supplies the name,
-since Reporting has no thickness table of its own.
+the right, to leave room for part cards on the first page. When the nest
+machine's config names the thickness (its **Name / Gauge**, matched as the
+[machine cutting defaults](machine-cutting-defaults.md) match it), the name
+leads the decimal: "16 ga - 0.0598 in". The desktop supplies it, since
+Reporting does not read machine configs.
 
 Stock sizes read **width x length** in job units. Plate tables use **Quantity**
 and **Parts per plate**; the plate quantity multiplies per-plate part counts for