diff --git a/src/swarm-render/Swarm/Render/Structures.hs b/src/swarm-render/Swarm/Render/Structures.hs
index fe0cb155d..fec1af056 100644
--- a/src/swarm-render/Swarm/Render/Structures.hs
+++ b/src/swarm-render/Swarm/Render/Structures.hs
@@ -7,12 +7,11 @@ module Swarm.Render.Structures where
 
 import Codec.Picture as JP
 import Control.Carrier.Throw.Either
-import Swarm.Game.Scenario.Topography.WorldDescription
 import Control.Effect.Lift
-import Data.List.NonEmpty qualified as NE
 import Data.GraphViz (GraphvizParams (..))
 import Data.GraphViz qualified as GV
 import Data.GraphViz.Attributes.Complete as GVA
+import Data.List.NonEmpty qualified as NE
 import Data.Map (Map)
 import Data.Map qualified as M
 import Data.Maybe (fromMaybe)
@@ -29,6 +28,7 @@ import Swarm.Game.Scenario.Topography.Cell (Cell)
 import Swarm.Game.Scenario.Topography.Structure
 import Swarm.Game.Scenario.Topography.Structure.Assembly
 import Swarm.Game.Scenario.Topography.Structure.Named
+import Swarm.Game.Scenario.Topography.WorldDescription
 import Swarm.Game.Scenario.Topography.WorldPalette
 import Swarm.Render.Image
 import Swarm.Util.Content (getTerrainEntityColor)
@@ -179,14 +179,16 @@ doRenderStructures scenarioFilepath outputFilepath = do
   (scenario, _) <- loadStandaloneScenario scenarioFilepath
 
   let sMap = scenario ^. scenarioDiagnostic . scenarioStructureMap
-      sMapWorld = view worldStructureMap . worldDiagnostic . NE.head $
-        scenario ^. scenarioLandscape . scenarioWorlds 
+      sMapWorld =
+        view worldStructureMap . worldDiagnostic . NE.head $
+          scenario ^. scenarioLandscape . scenarioWorlds
       aMap = scenario ^. scenarioLandscape . scenarioCosmetics
 
   sendIO $ do
     g <-
       renderStructuresGraph (ImgRendering 8 DiagonalIndicators) $
-        M.map (applyStructureColors aMap)
+        M.map
+          (applyStructureColors aMap)
           -- sMap
           sMapWorld
     putStrLn $ "Rendering to path: " ++ outputFilepath
diff --git a/src/swarm-scenario/Swarm/Game/Scenario/Topography/WorldDescription.hs b/src/swarm-scenario/Swarm/Game/Scenario/Topography/WorldDescription.hs
index e89835f93..ae0a5b27b 100644
--- a/src/swarm-scenario/Swarm/Game/Scenario/Topography/WorldDescription.hs
+++ b/src/swarm-scenario/Swarm/Game/Scenario/Topography/WorldDescription.hs
@@ -1,8 +1,8 @@
 {-# LANGUAGE DataKinds #-}
 {-# LANGUAGE DerivingVia #-}
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE RecordWildCards #-}
+{-# LANGUAGE TemplateHaskell #-}
 
 -- |
 -- SPDX-License-Identifier: BSD-3-Clause
@@ -10,10 +10,11 @@ module Swarm.Game.Scenario.Topography.WorldDescription where
 
 import Control.Carrier.Reader (runReader)
 import Control.Carrier.Throw.Either
-import Swarm.Util.Lens (makeLensesNoSigs)
+import Control.Lens hiding (Const, use, uses, view, (%=), (+=), (.=), (<+=), (<<.=))
 import Control.Monad (forM)
 import Data.Coerce
 import Data.Functor.Identity
+import Data.Map qualified as M
 import Data.Text qualified as T
 import Data.Yaml as Y
 import Swarm.Game.Entity (Entity)
@@ -35,7 +36,9 @@ import Swarm.Game.Scenario.Topography.Structure (
   NamedStructure,
   parseStructure,
  )
+import Swarm.Game.Scenario.Topography.Structure qualified as Structure
 import Swarm.Game.Scenario.Topography.Structure.Assembly qualified as Assembly
+import Swarm.Game.Scenario.Topography.Structure.Named qualified as Structure
 import Swarm.Game.Scenario.Topography.Structure.Overlay (
   PositionedGrid (..),
  )
@@ -43,14 +46,11 @@ import Swarm.Game.Scenario.Topography.Structure.Recognition.Static (LocatedStruc
 import Swarm.Game.Scenario.Topography.WorldPalette
 import Swarm.Game.Universe (SubworldName (DefaultRootSubworld))
 import Swarm.Game.World.Parse ()
-import Control.Lens hiding (Const, use, uses, view, (%=), (+=), (.=), (<+=), (<<.=))
 import Swarm.Game.World.Syntax
 import Swarm.Game.World.Typecheck
 import Swarm.Pretty (prettyString)
+import Swarm.Util.Lens (makeLensesNoSigs)
 import Swarm.Util.Yaml
-import Data.Map qualified as M
-import Swarm.Game.Scenario.Topography.Structure qualified as Structure
-import Swarm.Game.Scenario.Topography.Structure.Named qualified as Structure
 
 ------------------------------------------------------------
 -- World description
@@ -65,7 +65,6 @@ makeLensesNoSigs ''WorldDiagnostic
 -- | Raw structure definitions at the subworld level
 worldStructureMap :: Lens' WorldDiagnostic (M.Map Structure.StructureName (Structure.NamedStructure (Maybe Cell)))
 
-
 -- | A description of a world parsed from a YAML file.
 -- This type is parameterized to accommodate Cells that
 -- utilize a less stateful Entity type.
diff --git a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Assembly.hs b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Assembly.hs
index e1a4ac3be..40bd54bff 100644
--- a/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Assembly.hs
+++ b/src/swarm-topography/Swarm/Game/Scenario/Topography/Structure/Assembly.hs
@@ -15,7 +15,6 @@ module Swarm.Game.Scenario.Topography.Structure.Assembly (
 )
 where
 
-import Data.Tree
 import Control.Arrow (left, (&&&))
 import Control.Monad (when)
 import Data.Coerce
@@ -25,6 +24,7 @@ import Data.Map qualified as M
 import Data.Set qualified as Set
 import Data.Text (Text)
 import Data.Text qualified as T
+import Data.Tree
 import Linear.Affine
 import Swarm.Game.Location
 import Swarm.Game.Scenario.Topography.Area