diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9841482025..9eb66475bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,6 +34,7 @@
     Feature #6979: Add support of loading and displaying LOD assets purely based on their filename extension
     Feature #6983: PCVisionBonus script functions
     Feature #6995: Localize the "show effect duration" option
+    Feature #7058: Implement TestModels (T3D) console command
 
 0.48.0
 ------
diff --git a/apps/openmw/mwscript/docs/vmformat.txt b/apps/openmw/mwscript/docs/vmformat.txt
index 7197be48ba..d34c39c9df 100644
--- a/apps/openmw/mwscript/docs/vmformat.txt
+++ b/apps/openmw/mwscript/docs/vmformat.txt
@@ -484,5 +484,6 @@ op 0x2000321: ReloadLua
 op 0x2000322: GetPCVisionBonus
 op 0x2000323: SetPCVisionBonus
 op 0x2000324: ModPCVisionBonus
+op 0x2000325: TestModels, T3D
 
-opcodes 0x2000325-0x3ffffff unused
+opcodes 0x2000326-0x3ffffff unused
diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index 404b978a7f..aab205063b 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -19,11 +19,28 @@
 #include <components/misc/rng.hpp>
 
 #include <components/resource/resourcesystem.hpp>
+#include <components/resource/scenemanager.hpp>
 
+#include <components/esm3/loadacti.hpp>
+#include <components/esm3/loadalch.hpp>
+#include <components/esm3/loadappa.hpp>
+#include <components/esm3/loadarmo.hpp>
+#include <components/esm3/loadbody.hpp>
+#include <components/esm3/loadbook.hpp>
+#include <components/esm3/loadclot.hpp>
+#include <components/esm3/loadcont.hpp>
 #include <components/esm3/loadcrea.hpp>
 #include <components/esm3/loaddoor.hpp>
+#include <components/esm3/loadingr.hpp>
 #include <components/esm3/loadlevlist.hpp>
+#include <components/esm3/loadligh.hpp>
+#include <components/esm3/loadlock.hpp>
 #include <components/esm3/loadmgef.hpp>
+#include <components/esm3/loadmisc.hpp>
+#include <components/esm3/loadprob.hpp>
+#include <components/esm3/loadrepa.hpp>
+#include <components/esm3/loadstat.hpp>
+#include <components/esm3/loadweap.hpp>
 
 #include <components/files/conversion.hpp>
 #include <components/vfs/manager.hpp>
@@ -1580,6 +1597,61 @@ namespace MWScript
             }
         };
 
+        class OpTestModels : public Interpreter::Opcode0
+        {
+            template <class T>
+            void test(int& count) const
+            {
+                Resource::SceneManager* sceneManager
+                    = MWBase::Environment::get().getResourceSystem()->getSceneManager();
+                const MWWorld::ESMStore& store = MWBase::Environment::get().getWorld()->getStore();
+                for (const T& record : store.get<T>())
+                {
+                    MWWorld::ManualRef ref(store, record.mId);
+                    std::string model = ref.getPtr().getClass().getModel(ref.getPtr());
+                    if (!model.empty())
+                    {
+                        sceneManager->getTemplate(model);
+                        ++count;
+                    }
+                }
+            }
+
+        public:
+            void execute(Interpreter::Runtime& runtime) override
+            {
+                Resource::SceneManager* sceneManager
+                    = MWBase::Environment::get().getResourceSystem()->getSceneManager();
+                double delay = sceneManager->getExpiryDelay();
+                sceneManager->setExpiryDelay(0.0);
+                int count = 0;
+
+                test<ESM::Activator>(count);
+                test<ESM::Apparatus>(count);
+                test<ESM::Armor>(count);
+                test<ESM::Potion>(count);
+                test<ESM::BodyPart>(count);
+                test<ESM::Book>(count);
+                test<ESM::Clothing>(count);
+                test<ESM::Container>(count);
+                test<ESM::Creature>(count);
+                test<ESM::Door>(count);
+                test<ESM::Ingredient>(count);
+                test<ESM::Light>(count);
+                test<ESM::Lockpick>(count);
+                test<ESM::Miscellaneous>(count);
+                test<ESM::Probe>(count);
+                test<ESM::Repair>(count);
+                test<ESM::Static>(count);
+                test<ESM::Weapon>(count);
+
+                sceneManager->setExpiryDelay(delay);
+                std::stringstream message;
+                message << "Attempted to load models for " << count << " objects. Check the log for details.";
+                runtime.getContext().report(message.str());
+            }
+        };
+
         void installOpcodes(Interpreter::Interpreter& interpreter)
         {
             interpreter.installSegment5<OpMenuMode>(Compiler::Misc::opcodeMenuMode);
@@ -1705,6 +1777,7 @@ namespace MWScript
             interpreter.installSegment5<OpToggleRecastMesh>(Compiler::Misc::opcodeToggleRecastMesh);
             interpreter.installSegment5<OpHelp>(Compiler::Misc::opcodeHelp);
             interpreter.installSegment5<OpReloadLua>(Compiler::Misc::opcodeReloadLua);
+            interpreter.installSegment5<OpTestModels>(Compiler::Misc::opcodeTestModels);
         }
     }
 }
diff --git a/components/compiler/extensions0.cpp b/components/compiler/extensions0.cpp
index 13e4c63b1f..6f57ee7673 100644
--- a/components/compiler/extensions0.cpp
+++ b/components/compiler/extensions0.cpp
@@ -325,6 +325,8 @@ namespace Compiler
             extensions.registerInstruction("togglerecastmesh", "", opcodeToggleRecastMesh);
             extensions.registerInstruction("help", "", opcodeHelp);
             extensions.registerInstruction("reloadlua", "", opcodeReloadLua);
+            extensions.registerInstruction("testmodels", "", opcodeTestModels);
+            extensions.registerInstruction("t3d", "", opcodeTestModels);
         }
     }
 
diff --git a/components/compiler/opcodes.hpp b/components/compiler/opcodes.hpp
index c0d35f0fac..2ec31c7588 100644
--- a/components/compiler/opcodes.hpp
+++ b/components/compiler/opcodes.hpp
@@ -320,6 +320,7 @@ namespace Compiler
         const int opcodeStartScriptExplicit = 0x200031d;
         const int opcodeHelp = 0x2000320;
         const int opcodeReloadLua = 0x2000321;
+        const int opcodeTestModels = 0x2000325;
     }
 
     namespace Sky
diff --git a/components/resource/resourcemanager.hpp b/components/resource/resourcemanager.hpp
index 655076e65b..d53c4230f0 100644
--- a/components/resource/resourcemanager.hpp
+++ b/components/resource/resourcemanager.hpp
@@ -60,7 +60,7 @@ namespace Resource
 
         /// How long to keep objects in cache after no longer being referenced.
         void setExpiryDelay(double expiryDelay) override { mExpiryDelay = expiryDelay; }
-        float getExpiryDelay() const { return mExpiryDelay; }
+        double getExpiryDelay() const { return mExpiryDelay; }
 
         const VFS::Manager* getVFS() const { return mVFS; }