diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java
new file mode 100644
index 0000000..d03cf13
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java
@@ -0,0 +1,127 @@
+package org.ntlab.acanthus_client.views.paint;
+
+import androidx.navigation.ActivityNavigator;
+
+import org.ntlab.acanthus_client.Acanthus;
+import org.ntlab.acanthus_client.entities.Animation;
+import org.ntlab.acanthus_client.resources.gallery.GalleryRest;
+import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+import retrofit2.converter.scalars.ScalarsConverterFactory;
+
+//-----------------------------------------------------------------
+//
+public class PaintModel {
+    private Animation editedAnimation;
+    private Acanthus acanthus;
+    private Integer currentStrokeNo;
+
+    private Retrofit retrofit;
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    //
+    public PaintModel() {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
+                .addConverterFactory(ScalarsConverterFactory.create())
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+    }
+
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setEditedAnimation(Animation editedAnimation) {
+        this.editedAnimation = editedAnimation;
+    }
+
+    private void setCurrentStrokeNo(int strokeNo) {
+        this.currentStrokeNo = strokeNo;
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // init
+    public void init(Acanthus acanthus){
+        this.acanthus = acanthus;
+
+        final GalleryRest galleryRest = retrofit.create(GalleryRest.class);
+//        //-----------------------------------------------------------------
+//        // ストローク追加API
+//        Call<Integer> call = strokesRest.addStroke(
+//                acanthus.getAid(), acanthus.getPreferenceUid(), acanthus.getPreferenceToken(),
+//                0, 0, 10);
+//
+//        // strokeNoを更新
+//        call.enqueue(new Callback<Integer>() {
+//            @Override
+//            public void onResponse(Call<Integer> call, Response<Integer> response) {
+//                if (response.isSuccessful()) setCurrentStrokeNo(response.body());
+//            }
+//
+//            @Override
+//            public void onFailure(Call<Integer> call, Throwable t) {
+//
+//            }
+//        });
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // ローカルでのストロークの追加(POST)
+    public void addLocalStroke() {
+        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
+
+        //-----------------------------------------------------------------
+        // ストローク追加API
+        Call<Integer> call = strokesRest.addStroke(
+                acanthus.getAid(), acanthus.getPreferenceUid(), acanthus.getPreferenceToken(),
+                0, 0, 10);
+
+        // strokeNoを更新
+        call.enqueue(new Callback<Integer>() {
+            @Override
+            public void onResponse(Call<Integer> call, Response<Integer> response) {
+                if (response.isSuccessful()) setCurrentStrokeNo(response.body());
+            }
+
+            @Override
+            public void onFailure(Call<Integer> call, Throwable t) {
+
+            }
+        });
+    }
+
+    //-----------------------------------------------------------------
+    // ローカルでの筆跡追加(POST)
+    public void addPosition(float x, float y) {
+        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
+
+        //-----------------------------------------------------------------
+        // 筆跡追加API
+        Call<Integer> call = strokesRest.addPositions(acanthus.getAid(), this.currentStrokeNo, x, y);
+
+        // 筆跡を更新
+        call.enqueue(new Callback<Integer>() {
+            @Override
+            public void onResponse(Call<Integer> call, Response<Integer> response) {
+                if (response.isSuccessful()) {
+
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Integer> call, Throwable t) {
+
+            }
+        });
+    }
+    //-----------------------------------------------------------------
+
+}