diff --git a/.gitattributes b/.gitattributes
index b8c9186d3b0e3f9fd7abd196a6ce9f8d840894fa..47a297434bdf58725b2e5849bc203cda7a9359b1 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -37,3 +37,18 @@ simple-knn/build/lib.linux-x86_64-cpython-39/simple_knn/_C.cpython-39-x86_64-lin
 simple-knn/build/temp.linux-x86_64-cpython-39/.ninja_deps filter=lfs diff=lfs merge=lfs -text
 simple-knn/build/temp.linux-x86_64-cpython-39/simple_knn.o filter=lfs diff=lfs merge=lfs -text
 diff-gaussian-rasterization-camera/third_party/glm/doc/manual.pdf filter=lfs diff=lfs merge=lfs -text
+assets/teaser.gif filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/001.png filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/002.png filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/003.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/005.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/006.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/butter/source/007.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/001.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/002.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/003.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/004.jpg filter=lfs diff=lfs merge=lfs -text
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+data/demo/jordan/source/006.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/007.jpg filter=lfs diff=lfs merge=lfs -text
+data/demo/jordan/source/008.jpg filter=lfs diff=lfs merge=lfs -text
diff --git a/assets/teaser.gif b/assets/teaser.gif
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+++ b/assets/teaser.gif
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+oid sha256:bd9696a9e62b902f4cb89ddc641302c016307d24f97b62efd4221345eb6ca0e2
+size 7303528
diff --git a/configs/navi.yaml b/configs/navi.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..a562b8f3680720788bfbd020b774e3dfcd6dce91
--- /dev/null
+++ b/configs/navi.yaml
@@ -0,0 +1,84 @@
+### Input
+# input rgba image path (default to None, can be load in GUI too)
+seed: 42
+order_path: 
+camera_path:
+first_n_views:
+# input text prompt (default to None, can be input in GUI too)
+prompt:
+negative_prompt:
+# input mesh for stage 2 (auto-search from stage 1 output path if None)
+mesh:
+# estimated elevation angle for input image 
+elevation: 0
+# reference image resolution
+ref_size: 256
+# density thresh for mesh extraction (originally 1)
+density_thresh: 0.5
+
+### Output
+outdir: logs
+mesh_format: obj
+save_path: ???
+
+### Training
+all_views: False
+known_view_interval: 1
+stable_zero123: False
+# guidance loss weights (0 to disable)
+lambda_sd: 0
+mvdream: False
+lambda_zero123: 1
+lambda_dino: 0
+# training batch size per iter
+batch_size: 1
+# training iterations for stage 1
+iters: 500
+# whether to linearly anneal timestep
+anneal_timestep: True
+# training iterations for stage 2
+iters_refine: 50
+# training camera radius
+radius: 3 # 2
+# training camera fovy
+fovy: 49.1 # align with zero123 rendering setting (ref: https://github.com/cvlab-columbia/zero123/blob/main/objaverse-rendering/scripts/blender_script.py#L61
+# checkpoint to load for stage 1 (should be a ply file)
+load:
+# whether allow geom training in stage 2
+train_geo: False
+# prob to invert background color during training (0 = always black, 1 = always white)
+invert_bg_prob: 0.5
+
+
+### GUI
+gui: False
+force_cuda_rast: False
+# GUI resolution
+H: 256 # 800
+W: 256 # 800
+
+### Gaussian splatting
+num_pts: 25000
+sh_degree: 3
+position_lr_init: 0.001
+position_lr_final: 0.00002
+position_lr_delay_mult: 0.02
+position_lr_max_steps: 500
+feature_lr: 0.01
+opacity_lr: 0.05
+scaling_lr: 0.005
+rotation_lr: 0.005
+camera_lr: 0.00025
+camera_lr_init: 
+camera_lr_final:
+percent_dense: 0.01
+density_start_iter: 100
+density_end_iter: 3000
+densification_interval: 100
+opacity_reset_interval: 700
+densify_grad_threshold: 0.01
+
+### Textured Mesh
+geom_lr: 0.0001
+texture_lr: 0.2
+trainable_texture: True
\ No newline at end of file
diff --git a/data/demo/butter/cameras.json b/data/demo/butter/cameras.json
new file mode 100644
index 0000000000000000000000000000000000000000..f01d9f03f99bbf06a528133acc989179c1fb3acd
--- /dev/null
+++ b/data/demo/butter/cameras.json
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+{
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+        "R": [
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+                -0.650882363319397,
+                -0.6795743107795715
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+        ],
+        "T": [
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+            -0.040196340531110764,
+            1.714048981666565
+        ],
+        "needs_checking": false,
+        "principal_point": [
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+            127.71997833251953
+        ],
+        "focal_length": [
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+            392.67144775390625
+        ],
+        "flag": 1,
+        "filepath": "data/demo/butter/processed/001_rgba.png"
+    },
+    "002": {
+        "R": [
+            [
+                0.7829599976539612,
+                -0.2725747227668762,
+                -0.5591750741004944
+            ],
+            [
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+            [
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+                0.36187267303466797,
+                0.6944389343261719
+            ]
+        ],
+        "T": [
+            0.002521043410524726,
+            0.023724695667624474,
+            2.1366219520568848
+        ],
+        "needs_checking": false,
+        "principal_point": [
+            128.01170349121094,
+            127.71439361572266
+        ],
+        "focal_length": [
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+            406.3647155761719
+        ],
+        "flag": 1,
+        "filepath": "data/demo/butter/processed/002_rgba.png"
+    },
+    "003": {
+        "R": [
+            [
+                0.9505516290664673,
+                0.22508224844932556,
+                0.21398529410362244
+            ],
+            [
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+        ],
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+        "needs_checking": false,
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+        "flag": 1,
+        "filepath": "data/demo/butter/processed/003_rgba.png"
+    },
+    "005": {
+        "R": [
+            [
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+                0.7050228714942932,
+                0.6011816263198853
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+        "principal_point": [
+            127.4324951171875,
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+        "flag": 1,
+        "filepath": "data/demo/butter/processed/005_rgba.png"
+    },
+    "006": {
+        "R": [
+            [
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+        "needs_checking": false,
+        "principal_point": [
+            128.14404296875,
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+            406.06390380859375,
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+        "flag": 1,
+        "filepath": "data/demo/butter/processed/006_rgba.png"
+    },
+    "007": {
+        "R": [
+            [
+                -0.9185340404510498,
+                -0.2613014876842499,
+                -0.2966764569282532
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+                0.04603487253189087,
+                0.6746317744255066,
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+            [
+                0.39265286922454834,
+                -0.6903578639030457,
+                -0.6076433658599854
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+        ],
+        "T": [
+            0.010488937608897686,
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+        "needs_checking": false,
+        "principal_point": [
+            128.0351104736328,
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+        "focal_length": [
+            410.2312927246094,
+            410.2312927246094
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+        "flag": 1,
+        "filepath": "data/demo/butter/processed/007_rgba.png"
+    }
+}
\ No newline at end of file
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diff --git a/data/demo/eagle/cameras.json b/data/demo/eagle/cameras.json
new file mode 100644
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