diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b82c241..be58cb6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -117,6 +117,7 @@ target_include_directories(realtime PRIVATE "${CMAKE_SOURCE_DIR}/LEGO1" "${CMAKE
 target_link_libraries(realtime PRIVATE Vec::Vec)
 
 add_library(viewmanager STATIC
+  LEGO1/viewmanager/viewlod.cpp
   LEGO1/viewmanager/viewlodlist.cpp
   LEGO1/viewmanager/viewmanager.cpp
   LEGO1/viewmanager/viewroi.cpp
@@ -141,7 +142,7 @@ add_library(roi STATIC
 register_lego1_target(roi)
 set_property(TARGET roi PROPERTY ARCHIVE_OUTPUT_NAME "roi$<$<CONFIG:Debug>:d>")
 target_include_directories(roi PRIVATE "${CMAKE_SOURCE_DIR}/LEGO1" "${CMAKE_SOURCE_DIR}/LEGO1/lego/sources" "${CMAKE_SOURCE_DIR}/util")
-target_link_libraries(roi PRIVATE)
+target_link_libraries(roi PRIVATE viewmanager)
 
 add_library(anim STATIC
   LEGO1/lego/sources/anim/legoanim.cpp
diff --git a/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp b/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
index 4faf16e3..de7fbfa6 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworldpresenter.cpp
@@ -331,11 +331,11 @@ MxResult LegoWorldPresenter::FUN_10067360(ModelDbPart& p_part, FILE* p_wdbFile)
 	chunk.SetLength(p_part.m_partDataLength);
 	chunk.SetData(buff);
 
-	LegoPartPresenter part;
-	result = part.Read(chunk);
+	LegoPartPresenter partPresenter;
+	result = partPresenter.Read(chunk);
 
 	if (result == SUCCESS) {
-		part.FUN_1007df20();
+		partPresenter.FUN_1007df20();
 	}
 
 	delete[] buff;
diff --git a/LEGO1/lego/sources/roi/legoroi.cpp b/LEGO1/lego/sources/roi/legoroi.cpp
index 029826c0..16051cc4 100644
--- a/LEGO1/lego/sources/roi/legoroi.cpp
+++ b/LEGO1/lego/sources/roi/legoroi.cpp
@@ -1,9 +1,16 @@
 #include "legoroi.h"
 
+#include "tgl/d3drm/impl.h"
+
 #include <string.h>
 
 DECOMP_SIZE_ASSERT(LegoROI, 0x108)
 DECOMP_SIZE_ASSERT(TimeROI, 0x10c)
+DECOMP_SIZE_ASSERT(LODObject, 0x04)
+DECOMP_SIZE_ASSERT(ViewLOD, 0x0c)
+DECOMP_SIZE_ASSERT(LegoLOD, 0x20)
+
+inline IDirect3DRM2* GetD3DRM(Tgl::Renderer* pRenderer);
 
 // SIZE 0x14
 typedef struct {
@@ -38,6 +45,9 @@ int g_roiConfig = 100;
 // GLOBAL: LEGO1 0x101013ac
 ROIHandler g_someHandlerFunction = NULL;
 
+// GLOBAL: LEGO1 0x101013d4
+LPDIRECT3DRMMATERIAL g_unk0x101013d4 = NULL;
+
 // FUNCTION: LEGO1 0x100a81c0
 void LegoROI::configureLegoROI(int p_roiConfig)
 {
@@ -99,7 +109,7 @@ LegoResult LegoROI::SetFrame(LegoAnim* p_anim, LegoTime p_time)
 }
 
 // FUNCTION: LEGO1 0x100a9a50
-TimeROI::TimeROI(Tgl::Renderer* p_renderer, ViewLODList* p_lodList, int p_time) : LegoROI(p_renderer, p_lodList)
+TimeROI::TimeROI(Tgl::Renderer* p_renderer, ViewLODList* p_lodList, LegoTime p_time) : LegoROI(p_renderer, p_lodList)
 {
 	m_time = p_time;
 }
@@ -171,3 +181,28 @@ void LegoROI::UpdateWorldBoundingVolumes()
 {
 	// TODO
 }
+
+// FUNCTION: LEGO1 0x100aa380
+LegoLOD::LegoLOD(Tgl::Renderer* p_renderer) : ViewLOD(p_renderer)
+{
+	if (g_unk0x101013d4 == NULL) {
+		GetD3DRM(p_renderer)->CreateMaterial(10.0, &g_unk0x101013d4);
+	}
+
+	m_unk0x0c = 0;
+	m_unk0x10 = 0;
+	m_unk0x14 = 0;
+	m_numPolys = 0;
+	m_unk0x1c = 0;
+}
+
+// STUB: LEGO1 0x100aa450
+LegoLOD::~LegoLOD()
+{
+	// TODO
+}
+
+inline IDirect3DRM2* GetD3DRM(Tgl::Renderer* pRenderer)
+{
+	return ((TglImpl::RendererImpl*) pRenderer)->ImplementationData();
+}
diff --git a/LEGO1/lego/sources/roi/legoroi.h b/LEGO1/lego/sources/roi/legoroi.h
index 643713a3..7a9eaf96 100644
--- a/LEGO1/lego/sources/roi/legoroi.h
+++ b/LEGO1/lego/sources/roi/legoroi.h
@@ -2,6 +2,7 @@
 #define LEGOROI_H
 
 #include "misc/legotypes.h"
+#include "viewmanager/viewlod.h"
 #include "viewmanager/viewroi.h"
 
 typedef unsigned char (*ROIHandler)(char*, char*, unsigned int);
@@ -11,6 +12,31 @@ class LegoTextureContainer;
 class LegoStorage;
 class LegoAnim;
 
+// VTABLE: LEGO1 0x100dbf10
+// SIZE 0x20
+class LegoLOD : public ViewLOD {
+public:
+	LegoLOD(Tgl::Renderer*);
+	~LegoLOD() override;
+
+	// FUNCTION: LEGO1 0x100aae70
+	int NumPolys() const override { return m_numPolys; } // vtable+0x0c
+
+	// FUNCTION: LEGO1 0x100aae80
+	float VTable0x10() override { return 0.0; } // vtable+0x10
+
+	// SYNTHETIC: LEGO1 0x100aa430
+	// LegoLOD::`scalar deleting destructor'
+
+protected:
+	// TODO: Review 1996 version
+	undefined4 m_unk0x0c; // 0x0c
+	undefined4 m_unk0x10; // 0x10
+	undefined4 m_unk0x14; // 0x14
+	LegoU32 m_numPolys;   // 0x18
+	undefined4 m_unk0x1c; // 0x1c
+};
+
 // VTABLE: LEGO1 0x100dbe38
 // SIZE 0x108
 class LegoROI : public ViewROI {
@@ -44,7 +70,7 @@ class LegoROI : public ViewROI {
 	);
 	static unsigned char ColorAliasLookup(char* p_param, float& p_red, float& p_green, float& p_blue, float& p_other);
 
-	inline const char* GetName() const { return m_name; }
+	inline const LegoChar* GetName() const { return m_name; }
 	inline LegoEntity* GetUnknown0x104() { return m_unk0x104; }
 
 	inline void SetUnknown0x104(LegoEntity* p_unk0x104) { m_unk0x104 = p_unk0x104; }
@@ -63,13 +89,13 @@ class LegoROI : public ViewROI {
 // SIZE 0x10c
 class TimeROI : public LegoROI {
 public:
-	TimeROI(Tgl::Renderer* p_renderer, ViewLODList* p_lodList, int p_time);
+	TimeROI(Tgl::Renderer* p_renderer, ViewLODList* p_lodList, LegoTime p_time);
 
 	// SYNTHETIC: LEGO1 0x100a9ad0
 	// TimeROI::`scalar deleting destructor'
 
 private:
-	int m_time; // 0x108
+	LegoTime m_time; // 0x108
 };
 
 #endif // LEGOROI_H
diff --git a/LEGO1/realtime/roi.h b/LEGO1/realtime/roi.h
index 850a533f..70f335a0 100644
--- a/LEGO1/realtime/roi.h
+++ b/LEGO1/realtime/roi.h
@@ -45,13 +45,22 @@ class BoundingSphere {
  * Abstract base class representing a single LOD version of
  * a geometric object.
  */
+// VTABLE: LEGO1 0x100dbd90
+// SIZE 0x04
 class LODObject {
 public:
 	// LODObject();
+
+	// FUNCTION: LEGO1 0x100a6f00
 	virtual ~LODObject() {}
-	virtual float Cost(float pixels_covered) const = 0; // vtable+0x04
-	virtual float AveragePolyArea() const = 0;          // vtable+0x08
-	virtual int NVerts() const = 0;                     // vtable+0x0c
+
+	virtual double AveragePolyArea() const = 0; // vtable+0x04
+	virtual int NVerts() const = 0;             // vtable+0x08
+	virtual int NumPolys() const = 0;           // vtable+0x0c
+	virtual float VTable0x10() = 0;             // vtable+0x10
+
+	// SYNTHETIC: LEGO1 0x100a6f10
+	// LODObject::`scalar deleting destructor'
 };
 
 /*
diff --git a/LEGO1/tgl/d3drm/group.cpp b/LEGO1/tgl/d3drm/group.cpp
index bc7da727..af9ba1b7 100644
--- a/LEGO1/tgl/d3drm/group.cpp
+++ b/LEGO1/tgl/d3drm/group.cpp
@@ -79,33 +79,35 @@ Result GroupImpl::SetMaterialMode(MaterialMode mode)
 }
 
 // FUNCTION: LEGO1 0x100a3410
-Result GroupImpl::Add(const Mesh* pMesh)
-{
-	const MeshImpl* pMeshImpl = static_cast<const MeshImpl*>(pMesh);
-	return ResultVal(m_data->AddVisual(pMeshImpl->ImplementationData()->groupMesh));
-}
-
-// FUNCTION: LEGO1 0x100a3430
 Result GroupImpl::Add(const Group* pGroup)
 {
 	const GroupImpl* pGroupImpl = static_cast<const GroupImpl*>(pGroup);
 	return ResultVal(m_data->AddVisual(pGroupImpl->m_data));
 }
 
+// FUNCTION: LEGO1 0x100a3430
+Result GroupImpl::Add(const Mesh* pMesh)
+{
+	const MeshImpl* pMeshImpl = static_cast<const MeshImpl*>(pMesh);
+	// TODO: Incorrect structure
+	return ResultVal(m_data->AddVisual((IDirect3DRMMesh*) pMeshImpl->ImplementationData()));
+}
+
 // FUNCTION: LEGO1 0x100a3450
+Result GroupImpl::Remove(const Mesh* pMesh)
+{
+	const MeshImpl* pMeshImpl = static_cast<const MeshImpl*>(pMesh);
+	// TODO: Incorrect structure
+	return ResultVal(m_data->DeleteVisual((IDirect3DRMMesh*) pMeshImpl->ImplementationData()));
+}
+
+// FUNCTION: LEGO1 0x100a3480
 Result GroupImpl::Remove(const Group* pGroup)
 {
 	const GroupImpl* pGroupImpl = static_cast<const GroupImpl*>(pGroup);
 	return ResultVal(m_data->DeleteVisual(pGroupImpl->m_data));
 }
 
-// FUNCTION: LEGO1 0x100a3480
-Result GroupImpl::Remove(const Mesh* pMesh)
-{
-	const MeshImpl* pMeshImpl = static_cast<const MeshImpl*>(pMesh);
-	return ResultVal(m_data->DeleteVisual(pMeshImpl->ImplementationData()->groupMesh));
-}
-
 // STUB: LEGO1 0x100a34b0
 Result GroupImpl::RemoveAll()
 {
diff --git a/LEGO1/tgl/d3drm/impl.h b/LEGO1/tgl/d3drm/impl.h
index 69caa85e..8b1fe39e 100644
--- a/LEGO1/tgl/d3drm/impl.h
+++ b/LEGO1/tgl/d3drm/impl.h
@@ -315,12 +315,12 @@ class GroupImpl : public Group {
 	Result SetTexture(const Texture*) override;
 	Result GetTexture(Texture*&) override;
 	Result SetMaterialMode(MaterialMode) override;
-	Result Add(const Mesh*) override;
+	Result Add(const Group*) override;
 
 	// vtable+0x20
-	Result Add(const Group*) override;
-	Result Remove(const Mesh*) override;
+	Result Add(const Mesh*) override;
 	Result Remove(const Group*) override;
+	Result Remove(const Mesh*) override;
 	Result RemoveAll() override;
 
 	// vtable+0x30
diff --git a/LEGO1/tgl/tgl.h b/LEGO1/tgl/tgl.h
index 1067f863..a8d89fb5 100644
--- a/LEGO1/tgl/tgl.h
+++ b/LEGO1/tgl/tgl.h
@@ -294,10 +294,10 @@ class Group : public Object {
 	virtual Result SetTexture(const Texture*) = 0;
 	virtual Result GetTexture(Texture*&) = 0;
 	virtual Result SetMaterialMode(MaterialMode) = 0;
-	virtual Result Add(const Mesh*) = 0;
 	virtual Result Add(const Group*) = 0;
-	virtual Result Remove(const Mesh*) = 0;
+	virtual Result Add(const Mesh*) = 0;
 	virtual Result Remove(const Group*) = 0;
+	virtual Result Remove(const Mesh*) = 0;
 	virtual Result RemoveAll() = 0;
 
 	// This is TransformLocalToWorld in the leak, however it seems
diff --git a/LEGO1/viewmanager/viewlod.cpp b/LEGO1/viewmanager/viewlod.cpp
new file mode 100644
index 00000000..199e4c3a
--- /dev/null
+++ b/LEGO1/viewmanager/viewlod.cpp
@@ -0,0 +1,7 @@
+#include "viewlod.h"
+
+// FUNCTION: LEGO1 0x100a5e40
+ViewLOD::~ViewLOD()
+{
+	delete m_meshGroup;
+}
diff --git a/LEGO1/viewmanager/viewlod.h b/LEGO1/viewmanager/viewlod.h
new file mode 100644
index 00000000..569e9a84
--- /dev/null
+++ b/LEGO1/viewmanager/viewlod.h
@@ -0,0 +1,32 @@
+#include "decomp.h"
+#include "realtime/roi.h"
+#include "tgl/tgl.h"
+
+//////////////////////////////////////////////////////////////////////////////
+// ViewLOD
+//
+
+// VTABLE: LEGO1 0x100dbd70
+// SIZE 0x0c
+class ViewLOD : public LODObject {
+public:
+	ViewLOD(Tgl::Renderer* pRenderer) : m_meshGroup(NULL), m_unk0x08(3) {}
+	~ViewLOD() override;
+
+	// FUNCTION: LEGO1 0x100a6f30
+	double AveragePolyArea() const override { return 2 * 3.14159 * 10.0 / NumPolys(); } // vtable+0x04
+
+	// FUNCTION: LEGO1 0x100a6f50
+	int NVerts() const override { return NumPolys() * 2; } // vtable+0x08
+
+	Tgl::Group* GetGeometry() { return m_meshGroup; }
+	const Tgl::Group* GetGeometry() const { return m_meshGroup; }
+
+	// SYNTHETIC: LEGO1 0x100a6f60
+	// ViewLOD::`scalar deleting destructor'
+
+protected:
+	// TODO: m_meshGroup unconfirmed (based on 1996)
+	Tgl::Group* m_meshGroup; // 0x04
+	undefined4 m_unk0x08;    // 0x08
+};
diff --git a/LEGO1/viewmanager/viewmanager.cpp b/LEGO1/viewmanager/viewmanager.cpp
index eb238378..0d8473e8 100644
--- a/LEGO1/viewmanager/viewmanager.cpp
+++ b/LEGO1/viewmanager/viewmanager.cpp
@@ -1,11 +1,12 @@
 #include "viewmanager.h"
 
 #include "tgl/d3drm/impl.h"
+#include "viewlod.h"
 
 DECOMP_SIZE_ASSERT(ViewManager, 0x1bc)
 
-inline undefined4 SetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer);
-inline undefined4 SetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene);
+inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer);
+inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene);
 
 // FUNCTION: LEGO1 0x100a5eb0
 ViewManager::ViewManager(Tgl::Renderer* pRenderer, Tgl::Group* scene, const OrientableROI* point_of_view)
@@ -13,8 +14,8 @@ ViewManager::ViewManager(Tgl::Renderer* pRenderer, Tgl::Group* scene, const Orie
 {
 	SetPOVSource(point_of_view);
 	unk0x28 = 0.09;
-	SetD3DRM(d3drm, pRenderer);
-	SetFrame(frame, scene);
+	GetD3DRM(d3drm, pRenderer);
+	GetFrame(frame, scene);
 	width = 0.0;
 	height = 0.0;
 	view_angle = 0.0;
@@ -86,10 +87,25 @@ void ViewManager::RemoveAll(ViewROI* p_roi)
 	}
 }
 
-// STUB: LEGO1 0x100a66a0
+// FUNCTION: LEGO1 0x100a66a0
 void ViewManager::FUN_100a66a0(ViewROI* p_roi)
 {
-	// TODO
+	const ViewLOD* lod = (const ViewLOD*) p_roi->GetLOD(p_roi->GetUnknown0xe0());
+
+	if (lod != NULL) {
+		const Tgl::Mesh* meshGroup = NULL;
+		Tgl::Group* roiGeometry = p_roi->GetGeometry();
+
+		meshGroup = (const Tgl::Mesh*) lod->GetGeometry();
+
+		if (meshGroup != NULL) {
+			roiGeometry->Remove(meshGroup);
+		}
+
+		scene->Remove(roiGeometry);
+	}
+
+	p_roi->SetUnknown0xe0(-1);
 }
 
 // STUB: LEGO1 0x100a6930
@@ -131,13 +147,13 @@ ViewROI* ViewManager::Pick(Tgl::View* p_view, unsigned long x, unsigned long y)
 	return NULL;
 }
 
-inline undefined4 SetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer)
+inline undefined4 GetD3DRM(IDirect3DRM2*& d3drm, Tgl::Renderer* pRenderer)
 {
 	d3drm = ((TglImpl::RendererImpl*) pRenderer)->ImplementationData();
 	return 0;
 }
 
-inline undefined4 SetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene)
+inline undefined4 GetFrame(IDirect3DRMFrame2*& frame, Tgl::Group* scene)
 {
 	frame = ((TglImpl::GroupImpl*) scene)->ImplementationData();
 	return 0;
diff --git a/LEGO1/viewmanager/viewroi.cpp b/LEGO1/viewmanager/viewroi.cpp
index e304ab03..790ab1b6 100644
--- a/LEGO1/viewmanager/viewroi.cpp
+++ b/LEGO1/viewmanager/viewroi.cpp
@@ -16,13 +16,13 @@ float ViewROI::IntrinsicImportance() const
 } // for now
 
 // FUNCTION: LEGO1 0x100a9ec0
-const Tgl::Group* ViewROI::GetGeometry() const
+Tgl::Group* ViewROI::GetGeometry()
 {
 	return geometry;
 }
 
 // FUNCTION: LEGO1 0x100a9ed0
-Tgl::Group* ViewROI::GetGeometry()
+const Tgl::Group* ViewROI::GetGeometry() const
 {
 	return geometry;
 }
diff --git a/LEGO1/viewmanager/viewroi.h b/LEGO1/viewmanager/viewroi.h
index e11abf26..5a521824 100644
--- a/LEGO1/viewmanager/viewroi.h
+++ b/LEGO1/viewmanager/viewroi.h
@@ -53,8 +53,8 @@ class ViewROI : public OrientableROI {
 	void VTable0x1c() override;                                  // vtable+0x1c
 	void SetLocalTransform(const Matrix4& p_transform) override; // vtable+0x20
 	void VTable0x24(const Matrix4& p_transform) override;        // vtable+0x24
-	virtual const Tgl::Group* GetGeometry() const;               // vtable+0x34
 	virtual Tgl::Group* GetGeometry();                           // vtable+0x30
+	virtual const Tgl::Group* GetGeometry() const;               // vtable+0x34
 
 	inline int GetUnknown0xe0() { return m_unk0xe0; }
 	inline void SetUnknown0xe0(int p_unk0xe0) { m_unk0xe0 = p_unk0xe0; }