diff --git a/3DBiCar/2843/metadata.json b/3DBiCar/2843/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..24ab4833f40711b227dcff629acd9c6311d2c8eb
--- /dev/null
+++ b/3DBiCar/2843/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=3828875150,324896759&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=320&h=319"
+}
\ No newline at end of file
diff --git a/3DBiCar/2845/metadata.json b/3DBiCar/2845/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/2845/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2846/metadata.json b/3DBiCar/2846/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cca37611851529e1ffd17800b2d45e67845e49a7
--- /dev/null
+++ b/3DBiCar/2846/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=204209935,1615354471&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=520&h=390"
+}
\ No newline at end of file
diff --git a/3DBiCar/285/metadata.json b/3DBiCar/285/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..26ade5166384ab6cc1c332322e4105d6f218822e
--- /dev/null
+++ b/3DBiCar/285/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=4188036436,3362391663&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=800&h=450"
+}
\ No newline at end of file
diff --git a/3DBiCar/2852/metadata.json b/3DBiCar/2852/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..54ce31e10974124d937f5eaa8886f6475012113e
--- /dev/null
+++ b/3DBiCar/2852/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2857/metadata.json b/3DBiCar/2857/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a8659ce7556f0235f062365583dd03c3476bcfd3
--- /dev/null
+++ b/3DBiCar/2857/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=4199996295,2937101212&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=720&h=480"
+}
\ No newline at end of file
diff --git a/3DBiCar/2865/metadata.json b/3DBiCar/2865/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..94f14c757adb38ff52a99753263a59fa4bd2d26a
--- /dev/null
+++ b/3DBiCar/2865/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2868/metadata.json b/3DBiCar/2868/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d92442a8244ead51a92fc022e76947d7105ac9b1
--- /dev/null
+++ b/3DBiCar/2868/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=4156348032,2059378214&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=527"
+}
\ No newline at end of file
diff --git a/3DBiCar/2874/metadata.json b/3DBiCar/2874/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..1095a159812ec71e47f5c2c87cfedf73fd13a125
--- /dev/null
+++ b/3DBiCar/2874/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Tiger",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2877/metadata.json b/3DBiCar/2877/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..94f14c757adb38ff52a99753263a59fa4bd2d26a
--- /dev/null
+++ b/3DBiCar/2877/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2920/metadata.json b/3DBiCar/2920/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/2920/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2928/metadata.json b/3DBiCar/2928/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..e53465d6f9594d81a29376f948876b6792d27b96
--- /dev/null
+++ b/3DBiCar/2928/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=220118659,323593738&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=490&h=367"
+}
\ No newline at end of file
diff --git a/3DBiCar/2929/metadata.json b/3DBiCar/2929/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..9edcc125ef3ef99cc6d187a43ebf276813b82ed9
--- /dev/null
+++ b/3DBiCar/2929/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=2408197935,1667315024&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=614"
+}
\ No newline at end of file
diff --git a/3DBiCar/2930/metadata.json b/3DBiCar/2930/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/2930/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2931/metadata.json b/3DBiCar/2931/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..94c4c40a5a8326525926d22b7251e4c41e97fa54
--- /dev/null
+++ b/3DBiCar/2931/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "computer_design",
+  "source": "http://mms2.baidu.com/it/u=2172565260,3026859993&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=708"
+}
\ No newline at end of file
diff --git a/3DBiCar/2935/metadata.json b/3DBiCar/2935/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..5ed106a5e2d931d5a7f1edafd45331e8ee5ce79a
--- /dev/null
+++ b/3DBiCar/2935/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Cat",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=663454089,4103708091&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=568"
+}
\ No newline at end of file
diff --git a/3DBiCar/2941/metadata.json b/3DBiCar/2941/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..673e919c3458d87e6858cb980002147ac472caf0
--- /dev/null
+++ b/3DBiCar/2941/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "toy",
+  "source": "https://img30.360buyimg.com/imgzone/jfs/t1/63167/38/18841/97121/62963b00E226235cf/76096940d2beffc7.jpg"
+}
\ No newline at end of file
diff --git a/3DBiCar/2954/metadata.json b/3DBiCar/2954/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/2954/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2961/metadata.json b/3DBiCar/2961/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/2961/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2971/metadata.json b/3DBiCar/2971/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a313ec0f2fe12cbef235b8991b8827d84aacc095
--- /dev/null
+++ b/3DBiCar/2971/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2972/metadata.json b/3DBiCar/2972/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/2972/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2978/metadata.json b/3DBiCar/2978/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..1095a159812ec71e47f5c2c87cfedf73fd13a125
--- /dev/null
+++ b/3DBiCar/2978/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Tiger",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2985/metadata.json b/3DBiCar/2985/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/2985/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/2991/metadata.json b/3DBiCar/2991/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..52b1a083741c0f26c7f706b96be46198c0232684
--- /dev/null
+++ b/3DBiCar/2991/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "picture_book",
+  "source": "-"
+}
\ No newline at end of file
diff --git a/3DBiCar/2993/metadata.json b/3DBiCar/2993/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..ca02b4ea9360359e9447ded9ad65a3c63dce1320
--- /dev/null
+++ b/3DBiCar/2993/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=4007971146,927068140&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=502&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3020/metadata.json b/3DBiCar/3020/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/3020/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3029/metadata.json b/3DBiCar/3029/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3029/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3031/metadata.json b/3DBiCar/3031/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..92ae0347d3ee29f3713f384665ebb675b9073ac7
--- /dev/null
+++ b/3DBiCar/3031/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3032/metadata.json b/3DBiCar/3032/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..166b9acd280140b22f45367a8ef12c8542ed25fe
--- /dev/null
+++ b/3DBiCar/3032/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=1065381975,3599256050&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=640&h=483"
+}
\ No newline at end of file
diff --git a/3DBiCar/3039/metadata.json b/3DBiCar/3039/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..5b46f1bdde6782389554342c3ad38ed1da68ffc2
--- /dev/null
+++ b/3DBiCar/3039/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=3026777591,1955411943&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=366"
+}
\ No newline at end of file
diff --git a/3DBiCar/3040/metadata.json b/3DBiCar/3040/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d187692fa4cf2616389c5732408affdb7c40af11
--- /dev/null
+++ b/3DBiCar/3040/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3041/metadata.json b/3DBiCar/3041/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4142278a24cead4be069773542fc63e89b7915ca
--- /dev/null
+++ b/3DBiCar/3041/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/305/metadata.json b/3DBiCar/305/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/305/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3058/metadata.json b/3DBiCar/3058/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..533fd664cf501eee321da658bb1055b5b75cb999
--- /dev/null
+++ b/3DBiCar/3058/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "computer_design",
+  "source": "https://img.zcool.cn/community/0164c35c957ae5a801214168abd549.jpg?x-oss-process=image/auto-orient,1/resize,m_lfit,w_1280,limit_1/sharpen,100/format,webp/quality,q_100"
+}
\ No newline at end of file
diff --git a/3DBiCar/3059/metadata.json b/3DBiCar/3059/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/3059/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3060/metadata.json b/3DBiCar/3060/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d187692fa4cf2616389c5732408affdb7c40af11
--- /dev/null
+++ b/3DBiCar/3060/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3062/metadata.json b/3DBiCar/3062/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..3fce0fcf48156a95144d04f7398f711b93e8cc1a
--- /dev/null
+++ b/3DBiCar/3062/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "hippo",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=30414467,2619544723&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=667"
+}
\ No newline at end of file
diff --git a/3DBiCar/3065/metadata.json b/3DBiCar/3065/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..6ffbd6088534868096dc137d06cc3ab738353e14
--- /dev/null
+++ b/3DBiCar/3065/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=139377099,3209142500&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=350&h=350"
+}
\ No newline at end of file
diff --git a/3DBiCar/307/metadata.json b/3DBiCar/307/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..6fc0c0909fe9ea3f70e58ba1cf80fe2aa4af2bea
--- /dev/null
+++ b/3DBiCar/307/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=2459774956,3679549127&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=501"
+}
\ No newline at end of file
diff --git a/3DBiCar/3072/metadata.json b/3DBiCar/3072/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f80c6c1d209d2d17a44a8d4597d0f7ab429cc89a
--- /dev/null
+++ b/3DBiCar/3072/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3073/metadata.json b/3DBiCar/3073/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/3073/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3086/metadata.json b/3DBiCar/3086/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..e673a7f5b6f591c6627f56576d19ca4815f21fc6
--- /dev/null
+++ b/3DBiCar/3086/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=2751365224,4100515839&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=316"
+}
\ No newline at end of file
diff --git a/3DBiCar/3093/metadata.json b/3DBiCar/3093/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3093/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3101/metadata.json b/3DBiCar/3101/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..96ef619de61a5dedee46792332b415e9fe1facd1
--- /dev/null
+++ b/3DBiCar/3101/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=1300587216,846239863&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=667&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3103/metadata.json b/3DBiCar/3103/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..f231f1ed8f80e6b8fe3222b9dd2e0a6e92ac735e
--- /dev/null
+++ b/3DBiCar/3103/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=2841753141,2034765140&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=472"
+}
\ No newline at end of file
diff --git a/3DBiCar/3105/metadata.json b/3DBiCar/3105/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a313ec0f2fe12cbef235b8991b8827d84aacc095
--- /dev/null
+++ b/3DBiCar/3105/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3107/metadata.json b/3DBiCar/3107/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..8e791da6b611f0a7f8c5090051ca31a00e273c3a
--- /dev/null
+++ b/3DBiCar/3107/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "computer_design",
+  "source": "http://mms2.baidu.com/it/u=2362761758,3233068779&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=631"
+}
\ No newline at end of file
diff --git a/3DBiCar/3109/metadata.json b/3DBiCar/3109/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..92ae0347d3ee29f3713f384665ebb675b9073ac7
--- /dev/null
+++ b/3DBiCar/3109/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "sheep",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3118/metadata.json b/3DBiCar/3118/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..c67457f310a11299c5e92fa0c504653f67e1ed5a
--- /dev/null
+++ b/3DBiCar/3118/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/312/metadata.json b/3DBiCar/312/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..24454a108f095c2eb4cb4acb4b1ff3a5d4f6dca3
--- /dev/null
+++ b/3DBiCar/312/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "fox",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=2660756947,1119392157&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=430&h=430"
+}
\ No newline at end of file
diff --git a/3DBiCar/3120/metadata.json b/3DBiCar/3120/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/3120/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3124/metadata.json b/3DBiCar/3124/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b7843432fc3b95c73eb6c7241d5c2edb346c0b12
--- /dev/null
+++ b/3DBiCar/3124/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3128/metadata.json b/3DBiCar/3128/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4fc150961c814f84ac50425545f39e27658afaf8
--- /dev/null
+++ b/3DBiCar/3128/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Mouse",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=2608770625,3758627858&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=663&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3134/metadata.json b/3DBiCar/3134/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..def9680c8a63dbf8fd5cb8f2b586d8a9d946305d
--- /dev/null
+++ b/3DBiCar/3134/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "picture_book",
+  "source": "http://mms1.baidu.com/it/u=3923360342,362049910&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/315/metadata.json b/3DBiCar/315/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..63eaeece52dd12783050435614a07bf206f4a1f1
--- /dev/null
+++ b/3DBiCar/315/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3166/metadata.json b/3DBiCar/3166/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d2cb526eeb72c17ea7555db22767505f310411bc
--- /dev/null
+++ b/3DBiCar/3166/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "computer_design",
+  "source": "http://mms2.baidu.com/it/u=1986862980,386310457&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3177/metadata.json b/3DBiCar/3177/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/3177/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3192/metadata.json b/3DBiCar/3192/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cfa08044dae8ee22fe5ed691fb784cbdddfd4ad5
--- /dev/null
+++ b/3DBiCar/3192/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3193/metadata.json b/3DBiCar/3193/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0cb3c4eca1a1704f401b2b3ec8ed8f866cae19bd
--- /dev/null
+++ b/3DBiCar/3193/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "monkey",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=2141145655,1852150135&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=550"
+}
\ No newline at end of file
diff --git a/3DBiCar/3199/metadata.json b/3DBiCar/3199/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..0fc535c434f234a4e63b0b5ff447b066bd8e173a
--- /dev/null
+++ b/3DBiCar/3199/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "rabit",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/32/metadata.json b/3DBiCar/32/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..3ad2a5f0f9e485a6c3aa496e24cef83415f3f808
--- /dev/null
+++ b/3DBiCar/32/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "hand_drawn",
+  "source": "http://mms1.baidu.com/it/u=3882878934,2334465052&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=632&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3202/metadata.json b/3DBiCar/3202/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..4a511a0de4e529330da5449a898a95900e2cb01b
--- /dev/null
+++ b/3DBiCar/3202/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=615062049,249948596&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=533&h=300"
+}
\ No newline at end of file
diff --git a/3DBiCar/3204/metadata.json b/3DBiCar/3204/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..cf0911c1dd959832bad4e3a0bc8cfe301527fd2c
--- /dev/null
+++ b/3DBiCar/3204/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "picture_book",
+  "source": "https://img.alicdn.com/i3/862335293/T2B31xXpdaXXXXXXXX_!!862335293.jpg"
+}
\ No newline at end of file
diff --git a/3DBiCar/3210/metadata.json b/3DBiCar/3210/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a7b74fdc5efa3f146ec45629ae0fb05007c7f5e3
--- /dev/null
+++ b/3DBiCar/3210/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3214/metadata.json b/3DBiCar/3214/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..b85e5409649f657dd41bfd599e966fbb34a8972f
--- /dev/null
+++ b/3DBiCar/3214/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "hand_drawn",
+  "source": "http://mms0.baidu.com/it/u=1403768676,3055256579&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=374&h=499"
+}
\ No newline at end of file
diff --git a/3DBiCar/3221/metadata.json b/3DBiCar/3221/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..24725c87a669874165db57e1dcffd20c7dec3e32
--- /dev/null
+++ b/3DBiCar/3221/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "picture_book",
+  "source": "http://mms2.baidu.com/it/u=224808342,1235295774&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=790&h=474"
+}
\ No newline at end of file
diff --git a/3DBiCar/3235/metadata.json b/3DBiCar/3235/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..defbbdfa0483ee441afd808ed9774ebb9f86181b
--- /dev/null
+++ b/3DBiCar/3235/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=1188523305,1304159876&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=667"
+}
\ No newline at end of file
diff --git a/3DBiCar/3237/metadata.json b/3DBiCar/3237/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..63eaeece52dd12783050435614a07bf206f4a1f1
--- /dev/null
+++ b/3DBiCar/3237/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Bear",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/324/metadata.json b/3DBiCar/324/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..fa7347869680be2154d86511ef575f771cf78b48
--- /dev/null
+++ b/3DBiCar/324/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "elephant",
+  "style": "picture_book",
+  "source": "http://mms0.baidu.com/it/u=1277336388,4223272056&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=500&h=500"
+}
\ No newline at end of file
diff --git a/3DBiCar/3245/metadata.json b/3DBiCar/3245/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..033ec4b190e1b0807b28c9cffd5d6e8413d48ba0
--- /dev/null
+++ b/3DBiCar/3245/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "picture_book",
+  "source": "https://img14.360buyimg.com/n0/jfs/t1/192508/22/14507/423524/60fb72a3Eaad0d5eb/53e78736660916ec.jpg"
+}
\ No newline at end of file
diff --git a/3DBiCar/3257/metadata.json b/3DBiCar/3257/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..af311cf9576d51ffe2705b3115ee275921498b82
--- /dev/null
+++ b/3DBiCar/3257/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "Human",
+  "style": "computer_design",
+  "source": "http://mms1.baidu.com/it/u=999890406,1021213746&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=800&h=400"
+}
\ No newline at end of file
diff --git a/3DBiCar/3258/metadata.json b/3DBiCar/3258/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..a313ec0f2fe12cbef235b8991b8827d84aacc095
--- /dev/null
+++ b/3DBiCar/3258/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "cattle",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file
diff --git a/3DBiCar/3261/metadata.json b/3DBiCar/3261/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..d4926b051d6cb4ad854309e6ee14be9f742fc855
--- /dev/null
+++ b/3DBiCar/3261/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "pig",
+  "style": "computer_design",
+  "source": "http://mms0.baidu.com/it/u=692209719,2384939240&fm=253&app=138&f=JPEG&fmt=auto&q=75?w=260&h=261"
+}
\ No newline at end of file
diff --git a/3DBiCar/3267/metadata.json b/3DBiCar/3267/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..23b285fad2f97e2893e3b81694ec5f0102c66ae3
--- /dev/null
+++ b/3DBiCar/3267/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "deer+horse",
+  "style": "computer_design",
+  "source": "https://img.redocn.com/sheji/20191101/jiaolukatongtupian_10633741.jpg"
+}
\ No newline at end of file
diff --git a/3DBiCar/327/metadata.json b/3DBiCar/327/metadata.json
new file mode 100644
index 0000000000000000000000000000000000000000..583c3c6fa8e12d0d1d3f120a33ced93c6139c3a0
--- /dev/null
+++ b/3DBiCar/327/metadata.json
@@ -0,0 +1,5 @@
+{
+  "category": "dog",
+  "style": "render",
+  "source": "None"
+}
\ No newline at end of file