diff --git a/libs/geyserutils-geyser-1.0-SNAPSHOT.jar b/libs/geyserutils-geyser-1.0-SNAPSHOT.jar
index e5aeb05..6981883 100644
Binary files a/libs/geyserutils-geyser-1.0-SNAPSHOT.jar and b/libs/geyserutils-geyser-1.0-SNAPSHOT.jar differ
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/ExtensionMain.java b/src/main/java/re/imc/geysermodelenginepackgenerator/ExtensionMain.java
index c8c8a6a..683cdca 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/ExtensionMain.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/ExtensionMain.java
@@ -6,6 +6,7 @@ import org.geysermc.geyser.api.event.lifecycle.GeyserLoadResourcePacksEvent;
 import org.geysermc.geyser.api.event.lifecycle.GeyserPreInitializeEvent;
 import org.geysermc.geyser.api.extension.Extension;
 import re.imc.geysermodelenginepackgenerator.generator.Entity;
+import re.imc.geysermodelenginepackgenerator.generator.Geometry;
 import re.imc.geysermodelenginepackgenerator.util.ZipUtil;
 
 import java.io.File;
@@ -44,6 +45,13 @@ public class ExtensionMain implements Extension {
          for (String entity : GeneratorMain.entityMap.keySet()) {
              String id = "modelengine:" + entity;
              GeyserUtils.addCustomEntity(id);
+
+             Geometry geometry = GeneratorMain.geometryMap.get(entity);
+             geometry.getBones().forEach(bone -> {
+                 GeyserUtils.addProperty(id, bone, Boolean.class);
+             });
+
+             GeyserUtils.registerProperties(id);
          }
 
     }
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java b/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
index b2d4b98..9b3bc99 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/GeneratorMain.java
@@ -102,6 +102,7 @@ public class GeneratorMain {
         File modelsFolder = new File(output, "models/entity");
         File texturesFolder = new File(output, "textures/entity");
         File animationControllersFolder = new File(output, "animation_controllers");
+        File renderControllersFolder = new File(output, "render_controllers");
 
 
         File manifestFile = new File(output, "manifest.json");
@@ -140,6 +141,7 @@ public class GeneratorMain {
         modelsFolder.mkdirs();
         texturesFolder.mkdirs();
         animationControllersFolder.mkdirs();
+        renderControllersFolder.mkdirs();
 
         for (Map.Entry<String, Animation> entry : animationMap.entrySet()) {
             entry.getValue().modify();
@@ -190,14 +192,33 @@ public class GeneratorMain {
         }
 
         for (Map.Entry<String, Entity> entry : entityMap.entrySet()) {
-            entry.getValue().modify();
-            Path path = entityFolder.toPath().resolve(entry.getValue().getPath() + entry.getKey() + ".entity.json");
-            path.toFile().getParentFile().mkdirs();
-            if (path.toFile().exists()) {
+            Entity entity = entry.getValue();
+            entity.getProperties().setProperty("render_controller", "controller.render." + entry.getKey());
+            entity.modify();
+
+            Path entityPath = entityFolder.toPath().resolve(entity.getPath() + entry.getKey() + ".entity.json");
+            entityPath.toFile().getParentFile().mkdirs();
+            if (entityPath.toFile().exists()) {
                 continue;
             }
             try {
-                Files.writeString(path, entry.getValue().getJson(), StandardCharsets.UTF_8);
+                Files.writeString(entityPath, entity.getJson(), StandardCharsets.UTF_8);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+
+            // render controller part
+
+            String id = entity.getModelId();
+            if (!geometryMap.containsKey(id)) continue;
+            RenderController controller = new RenderController(id, geometryMap.get(id).getBones());
+
+            Path renderPath = new File(renderControllersFolder, "controller.render." + id + ".json").toPath();
+            if (renderPath.toFile().exists()) {
+                continue;
+            }
+            try {
+                Files.writeString(renderPath, controller.generate(), StandardCharsets.UTF_8);
             } catch (IOException e) {
                 e.printStackTrace();
             }
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Geometry.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Geometry.java
index 927095a..600ae7d 100644
--- a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Geometry.java
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/Geometry.java
@@ -9,7 +9,9 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
 
 @Getter
 @Setter
@@ -19,6 +21,7 @@ public class Geometry {
 
     String modelId;
     JsonObject json;
+    List<String> bones = new ArrayList<>();
 
     String path;
     public void load(String json) {
@@ -46,7 +49,7 @@ public class Geometry {
                         name.startsWith("b_") ||
                         name.startsWith("ob_")) {
                     iterator.remove();
-                }
+                } else bones.add(name);
             }
         }
         setId("geometry.modelengine_" + modelId);
diff --git a/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java
new file mode 100644
index 0000000..8e368f5
--- /dev/null
+++ b/src/main/java/re/imc/geysermodelenginepackgenerator/generator/RenderController.java
@@ -0,0 +1,56 @@
+package re.imc.geysermodelenginepackgenerator.generator;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+
+import java.util.List;
+
+public class RenderController {
+
+    String modelId;
+    List<String> bones;
+
+    public RenderController(String modelId, List<String> bones) {
+        this.modelId = modelId;
+        this.bones = bones;
+    }
+
+    // look, I'm fine with your other code and stuff, but I ain't using templates for JSON lmao
+    public String generate() {
+        JsonObject root = new JsonObject();
+        root.addProperty("format_version", "1.8.0");
+
+        JsonObject renderControllers = new JsonObject();
+        root.add("render_controllers", renderControllers);
+
+        JsonObject controller = new JsonObject();
+        renderControllers.add("controller.render." + modelId, controller);
+
+        controller.addProperty("geometry", "Geometry.default");
+
+        JsonArray materials = new JsonArray();
+        JsonObject materialItem = new JsonObject();
+        materialItem.addProperty("*", "Material.default");
+        materials.add(materialItem);
+        controller.add("materials", materials);
+
+        JsonArray textures = new JsonArray();
+        textures.add("Texture.default");
+        controller.add("textures", textures);
+
+        JsonArray partVisibility = new JsonArray();
+        JsonObject visibilityDefault = new JsonObject();
+        visibilityDefault.addProperty("*", true);
+        partVisibility.add(visibilityDefault);
+
+        for (String bone : bones) {
+            JsonObject visibilityItem = new JsonObject();
+            visibilityItem.addProperty(bone, "query.property('" + modelId + ":" + bone + "')");
+            partVisibility.add(visibilityItem);
+        }
+        controller.add("part_visibility", partVisibility);
+
+        return root.toString();
+    }
+
+}