diff --git a/source/common/models/model.cpp b/source/common/models/model.cpp
index 1829ccebb..21f5c9f41 100644
--- a/source/common/models/model.cpp
+++ b/source/common/models/model.cpp
@@ -155,12 +155,13 @@ unsigned FindModel(const char * path, const char * modelfile)
 	FModel * model = nullptr;
 	FString fullname;
 
-	fullname.Format("%s%s", path, modelfile);
+	if (path) fullname.Format("%s%s", path, modelfile);
+	else fullname = modelfile;
 	int lump = fileSystem.CheckNumForFullName(fullname);
 
 	if (lump<0)
 	{
-		Printf("FindModel: '%s' not found\n", fullname.GetChars());
+		Printf(PRINT_HIGH, "FindModel: '%s' not found\n", fullname.GetChars());
 		return -1;
 	}
 
@@ -226,7 +227,7 @@ unsigned FindModel(const char * path, const char * modelfile)
 		}
 		else
 		{
-			Printf("LoadModel: Unknown model format in '%s'\n", fullname.GetChars());
+			Printf(PRINT_HIGH, "LoadModel: Unknown model format in '%s'\n", fullname.GetChars());
 			return -1;
 		}
 	}
diff --git a/source/common/models/model.h b/source/common/models/model.h
index 300661d25..edbcc4841 100644
--- a/source/common/models/model.h
+++ b/source/common/models/model.h
@@ -53,6 +53,13 @@ enum ModelRendererType
 	NumModelRendererTypes
 };
 
+enum EFrameError
+{
+	FErr_NotFound = -1,
+	FErr_Voxel = -2,
+	FErr_Singleframe = -3
+};
+
 class FModel
 {
 public:
@@ -60,7 +67,7 @@ public:
 	virtual ~FModel();
 
 	virtual bool Load(const char * fn, int lumpnum, const char * buffer, int length) = 0;
-	virtual int FindFrame(const char * name) = 0;
+	virtual int FindFrame(const char * name, bool nodefault = false) = 0;
 	virtual void RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) = 0;
 	virtual void BuildVertexBuffer(FModelRenderer *renderer) = 0;
 	virtual void AddSkins(uint8_t *hitlist, const FTextureID* surfaceskinids) = 0;
diff --git a/source/common/models/model_kvx.h b/source/common/models/model_kvx.h
index 4c107db5c..2fa82b0ed 100644
--- a/source/common/models/model_kvx.h
+++ b/source/common/models/model_kvx.h
@@ -58,7 +58,7 @@ public:
 	~FVoxelModel();
 	bool Load(const char * fn, int lumpnum, const char * buffer, int length) override;
 	void Initialize();
-	virtual int FindFrame(const char * name) override;
+	virtual int FindFrame(const char * name, bool nodefault) override;
 	virtual void RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) override;
 	virtual void AddSkins(uint8_t *hitlist, const FTextureID* surfaceskinids) override;
 	FTextureID GetPaletteTexture() const { return mPalette; }
diff --git a/source/common/models/model_md2.h b/source/common/models/model_md2.h
index 966a38975..b1feef645 100644
--- a/source/common/models/model_md2.h
+++ b/source/common/models/model_md2.h
@@ -112,7 +112,7 @@ public:
 	virtual ~FDMDModel();
 
 	virtual bool Load(const char * fn, int lumpnum, const char * buffer, int length) override;
-	virtual int FindFrame(const char * name) override;
+	virtual int FindFrame(const char * name, bool nodefault) override;
 	virtual void RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) override;
 	virtual void LoadGeometry();
 	virtual void AddSkins(uint8_t *hitlist, const FTextureID* surfaceskinids) override;
diff --git a/source/common/models/model_md3.h b/source/common/models/model_md3.h
index e79a4c98b..3d81cb1c3 100644
--- a/source/common/models/model_md3.h
+++ b/source/common/models/model_md3.h
@@ -66,7 +66,7 @@ public:
 	FMD3Model() = default;
 
 	virtual bool Load(const char * fn, int lumpnum, const char * buffer, int length) override;
-	virtual int FindFrame(const char * name) override;
+	virtual int FindFrame(const char * name, bool nodefault) override;
 	virtual void RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) override;
 	void LoadGeometry();
 	void BuildVertexBuffer(FModelRenderer *renderer);
diff --git a/source/common/models/model_obj.h b/source/common/models/model_obj.h
index a07090900..55a47363c 100644
--- a/source/common/models/model_obj.h
+++ b/source/common/models/model_obj.h
@@ -97,7 +97,7 @@ public:
 	FOBJModel(): hasMissingNormals(false), hasSmoothGroups(false), vertFaces(nullptr) {}
 	~FOBJModel();
 	bool Load(const char* fn, int lumpnum, const char* buffer, int length) override;
-	int FindFrame(const char* name) override;
+	int FindFrame(const char* name, bool nodefault) override;
 	void RenderFrame(FModelRenderer* renderer, FGameTexture* skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) override;
 	void BuildVertexBuffer(FModelRenderer* renderer) override;
 	void AddSkins(uint8_t* hitlist, const FTextureID* surfaceskinids) override;
diff --git a/source/common/models/model_ue1.h b/source/common/models/model_ue1.h
index 2d29c2eff..f2ed1952c 100644
--- a/source/common/models/model_ue1.h
+++ b/source/common/models/model_ue1.h
@@ -25,7 +25,7 @@ public:
 	};
 
 	bool Load(const char * fn, int lumpnum, const char * buffer, int length) override;
-	int FindFrame(const char * name) override;
+	int FindFrame(const char * name, bool nodefault) override;
 	void RenderFrame(FModelRenderer *renderer, FGameTexture * skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids) override;
 	void BuildVertexBuffer(FModelRenderer *renderer) override;
 	void AddSkins(uint8_t *hitlist, const FTextureID* surfaceskinids) override;
diff --git a/source/common/models/models_md2.cpp b/source/common/models/models_md2.cpp
index f38472301..81d1c3666 100644
--- a/source/common/models/models_md2.cpp
+++ b/source/common/models/models_md2.cpp
@@ -348,13 +348,13 @@ void FDMDModel::AddSkins(uint8_t *hitlist, const FTextureID*)
 // FDMDModel::FindFrame
 //
 //===========================================================================
-int FDMDModel::FindFrame(const char * name)
+int FDMDModel::FindFrame(const char * name, bool nodefault)
 {
 	for (int i=0;i<info.numFrames;i++)
 	{
 		if (!stricmp(name, frames[i].name)) return i;
 	}
-	return -1;
+	return FErr_NotFound;
 }
 
 //===========================================================================
diff --git a/source/common/models/models_md3.cpp b/source/common/models/models_md3.cpp
index 29db7aa6f..95ac49167 100644
--- a/source/common/models/models_md3.cpp
+++ b/source/common/models/models_md3.cpp
@@ -328,13 +328,13 @@ void FMD3Model::AddSkins(uint8_t *hitlist, const FTextureID* surfaceskinids)
 //
 //===========================================================================
 
-int FMD3Model::FindFrame(const char * name)
+int FMD3Model::FindFrame(const char * name, bool nodefault)
 {
 	for (unsigned i = 0; i < Frames.Size(); i++)
 	{
 		if (!stricmp(name, Frames[i].Name)) return i;
 	}
-	return -1;
+	return FErr_NotFound;
 }
 
 //===========================================================================
diff --git a/source/common/models/models_obj.cpp b/source/common/models/models_obj.cpp
index 5d4aefd3b..d804ffff6 100644
--- a/source/common/models/models_obj.cpp
+++ b/source/common/models/models_obj.cpp
@@ -613,9 +613,9 @@ FVector3 FOBJModel::CalculateNormalSmooth(unsigned int vidx, unsigned int smooth
  * @param name The name of the frame
  * @return The index of the frame
  */
-int FOBJModel::FindFrame(const char* name)
+int FOBJModel::FindFrame(const char* name, bool nodefault)
 {
-	return 0; // OBJs are not animated.
+	return nodefault? FErr_Singleframe : 0; // OBJs are not animated.
 }
 
 /**
diff --git a/source/common/models/models_ue1.cpp b/source/common/models/models_ue1.cpp
index 82847103d..ad80789f3 100644
--- a/source/common/models/models_ue1.cpp
+++ b/source/common/models/models_ue1.cpp
@@ -221,10 +221,12 @@ void FUE1Model::UnloadGeometry()
 	groups.Reset();
 }
 
-int FUE1Model::FindFrame( const char *name )
+int FUE1Model::FindFrame( const char *name, bool nodefault )
 {
-	// unsupported, there are no named frames
-	return -1;
+	// there are no named frames, but we need something here to properly interface with it. So just treat the string as an index number.
+	auto index = strtol(name, nullptr, 0);
+	if (index < 0 || index >= numFrames) return FErr_NotFound;
+	return index;
 }
 
 void FUE1Model::RenderFrame( FModelRenderer *renderer, FGameTexture *skin, int frame, int frame2, double inter, int translation, const FTextureID* surfaceskinids)
diff --git a/source/common/models/models_voxel.cpp b/source/common/models/models_voxel.cpp
index 6db0c9e5f..41f5e854a 100644
--- a/source/common/models/models_voxel.cpp
+++ b/source/common/models/models_voxel.cpp
@@ -378,9 +378,9 @@ bool FVoxelModel::Load(const char * fn, int lumpnum, const char * buffer, int le
 //
 //===========================================================================
 
-int FVoxelModel::FindFrame(const char * name)
+int FVoxelModel::FindFrame(const char * name, bool nodefault)
 {
-	return 0;
+	return nodefault? FErr_Voxel : 0; // -2, not -1 because voxels are special.
 }
 
 //===========================================================================