diff --git a/LayoutFunctions/LayoutFunctionCommon/ISpaceBoundary.cs b/LayoutFunctions/LayoutFunctionCommon/ISpaceBoundary.cs
index d6a96717..5894e12b 100644
--- a/LayoutFunctions/LayoutFunctionCommon/ISpaceBoundary.cs
+++ b/LayoutFunctions/LayoutFunctionCommon/ISpaceBoundary.cs
@@ -21,6 +21,9 @@ public interface ISpaceBoundary
 
         public string DefaultWallType { get; set; }
 
+        [JsonProperty("Config Id", Required = Newtonsoft.Json.Required.Default, NullValueHandling = Newtonsoft.Json.NullValueHandling.Ignore)]
+        public string ConfigId { get; set; }
+
     }
 
 }
\ No newline at end of file
diff --git a/LayoutFunctions/LayoutFunctionCommon/LayoutGeneration.cs b/LayoutFunctions/LayoutFunctionCommon/LayoutGeneration.cs
index a146563f..04fad27a 100644
--- a/LayoutFunctions/LayoutFunctionCommon/LayoutGeneration.cs
+++ b/LayoutFunctions/LayoutFunctionCommon/LayoutGeneration.cs
@@ -61,6 +61,12 @@ public virtual LayoutGenerationResult StandardLayoutOnAllLevels(string programTy
                     };
                     boundaryCurves.AddRange(spaceBoundary.Voids ?? new List<Polygon>());
 
+                    var configsForRoom = configs;
+                    if (room.ConfigId != null)
+                    {
+                        configsForRoom = LayoutStrategies.LimitConfigsToId(configs, room, wallCandidateOptions);
+                    }
+
                     var possibleConfigs = new List<(ConfigInfo configInfo, List<RoomEdge> wallCandidates)>();
                     foreach (var (OrientationGuideEdge, WallCandidates) in wallCandidateOptions)
                     {
@@ -68,7 +74,7 @@ public virtual LayoutGenerationResult StandardLayoutOnAllLevels(string programTy
                         var grid = new Grid2d(boundaryCurves, orientationTransform);
                         foreach (var cell in grid.GetCells())
                         {
-                            var config = FindConfigByFit(configs, cell);
+                            var config = FindConfigByFit(configsForRoom, cell);
                             if (config != null)
                             {
                                 possibleConfigs.Add((config.Value, WallCandidates));
@@ -238,7 +244,7 @@ protected virtual SpaceConfiguration DeserializeConfigJson(string configJson)
             KeyValuePair<string, ContentConfiguration>? selectedConfigPair = null;
             foreach (var configPair in orderedConfigs)
             {
-                if (configPair.Value.CellBoundary.Width < width && configPair.Value.CellBoundary.Depth < length)
+                if (configPair.Value.CellBoundary.Width < (width + Vector3.EPSILON) && configPair.Value.CellBoundary.Depth < (length + Vector3.EPSILON))
                 {
                     selectedConfigPair = configPair;
                     break;
diff --git a/LayoutFunctions/LayoutFunctionCommon/LayoutStrategies.cs b/LayoutFunctions/LayoutFunctionCommon/LayoutStrategies.cs
index 87190ea8..5347bfcb 100644
--- a/LayoutFunctions/LayoutFunctionCommon/LayoutStrategies.cs
+++ b/LayoutFunctions/LayoutFunctionCommon/LayoutStrategies.cs
@@ -211,7 +211,13 @@ public static HashSet<Guid> StandardLayoutOnAllLevels<TLevelElements, TLevelVolu
                 foreach (var room in roomBoundaries)
                 {
                     var wallCandidateLines = new List<RoomEdge>();
-                    var layoutSucceeded = ProcessRoom(room, outputModel, countSeats, configs, corridorSegments, levelVolume, wallCandidateLines);
+
+                    var configsForRoom = configs;
+                    if (room.ConfigId != null)
+                    {
+                        configsForRoom = LimitConfigsToId(configs, room);
+                    }
+                    var layoutSucceeded = ProcessRoom(room, outputModel, countSeats, configsForRoom, corridorSegments, levelVolume, wallCandidateLines);
                     if (layoutSucceeded) { processedSpaces.Add(room.Id); }
 
                     double height = room.Height == 0 ? 3 : room.Height;
@@ -240,6 +246,38 @@ public static HashSet<Guid> StandardLayoutOnAllLevels<TLevelElements, TLevelVolu
             return processedSpaces;
         }
 
+        /// <summary>
+        /// Pringle-specific behavior to pick a specific config and orientation. This code only executes if the room has a `ConfigId` property, which is only set on pringle.
+        /// </summary>
+        public static SpaceConfiguration LimitConfigsToId<TSpaceBoundary>(SpaceConfiguration configs, TSpaceBoundary room, List<(RoomEdge OrientationGuideEdge, List<RoomEdge> WallCandidates)> wallCandidateOptions = null) where TSpaceBoundary : Element, ISpaceBoundary
+        {
+            // If a set of wall candidate options are provided, limit to the one that aligns with the boundary's first edge.
+            // In the future, as room shapes become more editable, we might want to pass in an explicit "orientation edge" instead of just using the first edge.
+            if (wallCandidateOptions != null)
+            {
+                var roomOrientationEdge = room.Boundary.Perimeter.Segments().First();
+                for (int i = wallCandidateOptions.Count - 1; i >= 0; i--)
+                {
+                    var (OrientationGuideEdge, _) = wallCandidateOptions[i];
+                    if (OrientationGuideEdge.Line.Mid().DistanceTo(roomOrientationEdge.Mid()) > 0.01)
+                    {
+                        wallCandidateOptions.RemoveAt(i);
+                    }
+                }
+            }
+
+            // Limit the possible configs to the one specified by the room's ConfigId property.
+            var configId = room.ConfigId;
+            var config = new SpaceConfiguration();
+            if (configs.ContainsKey(configId))
+            {
+                config.Add(configId, configs[configId]);
+                return config;
+            }
+
+            return configs;
+        }
+
 
         /// <summary>
         /// Basically the same as StandardLayoutOnAllLevels, but without the actual furniture layout part — just the wall creation.
diff --git a/LayoutFunctions/MeetingRoomLayout/dependencies/SpaceBoundary.cs b/LayoutFunctions/MeetingRoomLayout/dependencies/SpaceBoundary.cs
index ed244d1f..7f3af68c 100644
--- a/LayoutFunctions/MeetingRoomLayout/dependencies/SpaceBoundary.cs
+++ b/LayoutFunctions/MeetingRoomLayout/dependencies/SpaceBoundary.cs
@@ -1,9 +1,11 @@
 using Elements.Geometry;
+using Newtonsoft.Json;
 namespace Elements
 {
     public partial class SpaceBoundary : GeometricElement, ISpaceBoundary
     {
         public Vector3? ParentCentroid { get; set; }
-
+        [JsonProperty("Config Id")]
+        public string ConfigId { get; set; }
     }
 }
\ No newline at end of file