diff --git a/gallery_dl/extractor/3dbooru.py b/gallery_dl/extractor/3dbooru.py
index c303a6d4..a7986880 100644
--- a/gallery_dl/extractor/3dbooru.py
+++ b/gallery_dl/extractor/3dbooru.py
@@ -8,24 +8,25 @@
 
 """Extract image-urls from http://behoimi.org/"""
 
-from .booru import JSONBooruExtractor
+from . import booru
 
-info = {
-    "category": "3dbooru",
-    "extractor": "ThreeDeeBooruExtractor",
-    "directory": ["{category}", "{tags}"],
-    "filename": "{category}_{id}_{md5}.{extension}",
-    "pattern": [
-        r"(?:https?://)?(?:www\.)?behoimi\.org/post(?:/(?:index)?)?\?tags=([^&]+).*",
-    ],
-}
+class ThreeDeeBooruExtractor(booru.JSONBooruExtractor):
+    """Base class for 3dbooru extractors"""
+    category = "3dbooru"
+    api_url = "http://behoimi.org/post/index.json"
+    headers = {
+        "Referer": "http://behoimi.org/post/show/",
+        "User-Agent": "Mozilla/5.0",
+    }
 
-class ThreeDeeBooruExtractor(JSONBooruExtractor):
+class ThreeDeeBooruTagExtractor(ThreeDeeBooruExtractor, booru.BooruTagExtractor):
+    """Extract images from 3dbooru based on search-tags"""
+    pattern = [r"(?:https?://)?(?:www\.)?behoimi\.org/post(?:/(?:index)?)?\?tags=([^&]+)"]
 
-    def __init__(self, match):
-        JSONBooruExtractor.__init__(self, match, info)
-        self.api_url = "http://behoimi.org/post/index.json"
-        self.headers = {
-            "Referer": "http://behoimi.org/post/show/",
-            "User-Agent": "Mozilla/5.0"
-        }
+class ThreeDeeBooruPoolExtractor(ThreeDeeBooruExtractor, booru.BooruPoolExtractor):
+    """Extract image-pools from 3dbooru"""
+    pattern = [r"(?:https?://)?(?:www\.)?behoimi\.org/pool/show/(\d+)"]
+
+class ThreeDeeBooruPostExtractor(ThreeDeeBooruExtractor, booru.BooruPostExtractor):
+    """Extract single images from 3dbooru"""
+    pattern = [r"(?:https?://)?(?:www\.)?behoimi\.org/post/show/(\d+)"]
diff --git a/gallery_dl/extractor/booru.py b/gallery_dl/extractor/booru.py
index 696b51a9..7f50bf10 100644
--- a/gallery_dl/extractor/booru.py
+++ b/gallery_dl/extractor/booru.py
@@ -17,13 +17,15 @@ import urllib.parse
 class BooruExtractor(Extractor):
 
     info = {}
+    params = {"limit": 50}
+    headers = {}
+    page = "page"
     api_url = ""
+    category = ""
 
     def __init__(self):
         Extractor.__init__(self)
-        self.page = "page"
         self.params = {"limit": 50}
-        self.headers = {}
 
     def items(self):
         yield Message.Version, 1