diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
new file mode 100644
index 000000000..d8846632b
--- /dev/null
+++ b/.github/pull_request_template.md
@@ -0,0 +1,38 @@
+# Description
+
+Please include a summary of the changes and the related issue. Please also include relevant motivation and context. List any dependencies that are required for this change.
+
+Fixes # (issue)
+
+## Type of change
+
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] This change requires a documentation update
+
+# How Has This Been Tested?
+
+Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration
+
+- [ ] Test A
+- [ ] Test B
+
+**Test Configuration**:
+* Firmware version:
+* Hardware:
+* Toolchain:
+* SDK:
+
+# Checklist:
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published in downstream modules
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index ae55154ce..855163cc2 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -31,23 +31,38 @@ jobs:
     - name: Package with Maven
       run: ./mvnw -B clean package -DskipTests
 
-    - name: Check files 1
-      run: ls -l src/main/package/
-
-    - name: Prepare universal package
-      shell: bash
-      run: |
-        mkdir -p target/universal-package &&
-        cp src/main/package/*.bat target/universal-package/ &&
-        cp src/main/package/start* target/universal-package/ &&
-        cp src/main/package/thankyou.* target/universal-package/ &&
-        cp CONTRIBUTING.md target/universal-package/ &&
-        cp LICENSE target/universal-package/ &&
-        cp README.md target/universal-package/ &&
-        cp target/Makelangelo-*-with-dependencies.jar target/universal-package/ &&
-        cd target/universal-package/ &&
-        7z a -tzip Makelangelo.zip . &&
-        mv Makelangelo.zip ../.. 
+#    - name: Check files 1
+#      run: ls -l src/main/package/
+
+#    - name: Prepare universal package
+#      shell: bash
+#      run: |
+#        mkdir -p target/universal-package &&
+#        cp src/main/package/*.bat target/universal-package/ &&
+#        cp src/main/package/start* target/universal-package/ &&
+#        cp src/main/package/thankyou.* target/universal-package/ &&
+#        cp CONTRIBUTING.md target/universal-package/ &&
+#        cp LICENSE target/universal-package/ &&
+#        cp README.md target/universal-package/ &&
+#        cp target/Makelangelo-*-with-dependencies.jar target/universal-package/ &&
+#        cd target/universal-package/ &&
+#        7z a -tzip Makelangelo.zip . &&
+#        mv Makelangelo.zip ../..
+
+#    - name: Check files 2a
+#      run: ls -l target/universal-package/
+
+#     - name: Deploy universal release
+#       if: github.event_name == 'push' && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main')
+#       uses: WebFreak001/deploy-nightly@v3.2.0
+#       with:
+#         token: ${{ secrets.GITHUB_TOKEN }} # automatically provided by github actions
+#         upload_url: ${{ env.UPLOAD_URL }}
+#         release_id: ${{ env.RELEASE_ID }}
+#         asset_path: Makelangelo.zip # path to archive to upload
+#         asset_name: Makelangelo-nightly-$$.zip # name to upload the release as, use $$ to insert date (YYYYMMDD) and 6 letter commit hash
+#         asset_content_type: application/zip # required by GitHub API
+#         max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
 
     - name: Prepare target/package for upload
       shell: bash
@@ -60,23 +75,8 @@ jobs:
         cp LICENSE target/package/ &&
         cp README.md target/package/ 
 
-    - name: Check files 2a
-      run: ls -l target/universal-package/
-
-    - name: Check files 2b
-      run: ls -l target/package/
-
-    - name: Deploy universal release
-      if: github.repository == 'MarginallyClever/Makelangelo-software' && github.ref == 'refs/heads/master'
-      uses: WebFreak001/deploy-nightly@v3.2.0
-      with:
-        token: ${{ secrets.GITHUB_TOKEN }} # automatically provided by github actions
-        upload_url: ${{ env.UPLOAD_URL }}
-        release_id: ${{ env.RELEASE_ID }}
-        asset_path: Makelangelo.zip # path to archive to upload
-        asset_name: Makelangelo-nightly-$$.zip # name to upload the release as, use $$ to insert date (YYYYMMDD) and 6 letter commit hash
-        asset_content_type: application/zip # required by GitHub API
-        max_releases: 1 # optional, if there are more releases than this matching the asset_name, the oldest ones are going to be deleted
+      #    - name: Check files 2b
+      #      run: ls -l target/package/
 
     - name: Upload artifact for package
       uses: actions/upload-artifact@v4.6.0
@@ -90,8 +90,8 @@ jobs:
           README
           target/package/*
 
-    - name: Check files 3
-      run: ls -l target/universal-package/
+#    - name: Check files 3
+#      run: ls -l target/universal-package/
 
   package:
     needs: build
@@ -109,8 +109,8 @@ jobs:
       with:
         name: jar
         
-    - name: Check files 4
-      run: ls -l target/package/
+#    - name: Check files 4
+#      run: ls -l target/package/
 
     - name: Build installation package
       shell: bash
diff --git a/pom.xml b/pom.xml
index 0cc2d423f..f340d992a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -537,7 +537,7 @@ It pairs really well with Marlin-polargraph, the code in the brain of the robot
 			<scope>compile</scope>
 		</dependency>
 
-		<!-- dockable windows -->
+		<!-- docking windows -->
 		<dependency>
 			<groupId>io.github.andrewauclair</groupId>
 			<artifactId>modern-docking-api</artifactId>
@@ -570,7 +570,7 @@ It pairs really well with Marlin-polargraph, the code in the brain of the robot
 			-->
 			<groupId>com.github.marginallyclever</groupId>
 			<artifactId>nodegraphcore</artifactId>
-			<version>1.3.3</version>
+			<version>1.3.4</version>
 		</dependency>
 		<dependency>
 			<!--
diff --git a/src/main/java/com/marginallyclever/makelangelo/makeart/io/TurtleFactory.java b/src/main/java/com/marginallyclever/makelangelo/makeart/io/TurtleFactory.java
index f66820b15..05d284267 100644
--- a/src/main/java/com/marginallyclever/makelangelo/makeart/io/TurtleFactory.java
+++ b/src/main/java/com/marginallyclever/makelangelo/makeart/io/TurtleFactory.java
@@ -115,15 +115,18 @@ public static List<FileNameExtensionFilter> getSaveExtensions() {
 	public static void save(Turtle turtle,String filename, PlotterSettings settings) throws Exception {
 		if(filename == null || filename.trim().isEmpty()) throw new InvalidParameterException("filename cannot be empty");
 
+		String extension = filename.substring(filename.lastIndexOf("."));
+		if(extension.isEmpty()) throw new InvalidParameterException("filename must have an extension");
+
 		for (TurtleSaver saver : savers) {
 			if(isValidExtension(filename,saver.getFileNameFilter())) {
 				try (FileOutputStream out = new FileOutputStream(filename)) {
 					saver.save(out, turtle,settings);
+					return;
 				}
-				return;
 			}
 		}
-		String extension = filename.substring(filename.lastIndexOf("."));
+
 		throw new Exception("TurtleFactory could not save '"+filename+"' : invalid file format '" + extension + "'");
 	}
 }
diff --git a/src/test/java/com/marginallyclever/makelangelo/donatelloimpl/TestNodeGraphMakelangelo.java b/src/test/java/com/marginallyclever/makelangelo/donatelloimpl/TestNodeGraphMakelangelo.java
index 13b65a16c..c81c322ea 100644
--- a/src/test/java/com/marginallyclever/makelangelo/donatelloimpl/TestNodeGraphMakelangelo.java
+++ b/src/test/java/com/marginallyclever/makelangelo/donatelloimpl/TestNodeGraphMakelangelo.java
@@ -1,17 +1,23 @@
 package com.marginallyclever.makelangelo.donatelloimpl;
 
+import com.marginallyclever.makelangelo.donatelloimpl.nodes.turtle.LoadTurtle;
+import com.marginallyclever.makelangelo.donatelloimpl.nodes.turtle.SaveTurtle;
 import com.marginallyclever.makelangelo.donatelloimpl.nodes.turtle.TurtleDAO4JSON;
 import com.marginallyclever.makelangelo.turtle.Turtle;
+import com.marginallyclever.nodegraphcore.Connection;
 import com.marginallyclever.nodegraphcore.DAO4JSONFactory;
-import com.marginallyclever.nodegraphcore.port.*;
 import com.marginallyclever.nodegraphcore.Graph;
 import com.marginallyclever.nodegraphcore.NodeFactory;
+import com.marginallyclever.nodegraphcore.port.Input;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.File;
+import java.io.IOException;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 /**
@@ -22,7 +28,7 @@
 public class TestNodeGraphMakelangelo {
     private static final Logger logger = LoggerFactory.getLogger(TestNodeGraphMakelangelo.class);
 
-    private static Graph model = new Graph();
+    private static final Graph model = new Graph();
 
     @BeforeAll
     public static void beforeAll() throws Exception {
@@ -81,4 +87,38 @@ public void testTurtleDAO() {
         Turtle r2=dao.fromJSON(dao.toJSON(r1));
         assertEquals(r1,r2);
     }
+
+    /**
+     * Create a donatello panel;
+     * connect a LoadTurtle node and a SaveTurtle node;
+     * load a test file;
+     * save the test file;
+     * confirm the test file was saved.
+     */
+    @Test
+    public void testLoadAndSaveTurtle() throws IOException {
+        Graph graph = new Graph();
+
+        // Create and connect LoadTurtle and SaveTurtle nodes
+        LoadTurtle loadNode = new LoadTurtle();
+        SaveTurtle saveNode = new SaveTurtle();
+        graph.add(loadNode);
+        graph.add(saveNode);
+        graph.add(new Connection(loadNode,1, saveNode,1));
+
+        // get a filename for a non-existent temporary file
+        File tempFile = File.createTempFile("testTurtle", ".dxf");
+        tempFile.deleteOnExit();
+        String tempFilename = tempFile.getAbsolutePath();
+
+        // Load a test file
+        loadNode.getPort("filename").setValue("src/test/resources/dxf/circle.dxf");
+        saveNode.getPort("filename").setValue(tempFilename);
+        loadNode.update();
+        saveNode.update();
+
+        // confirm the file saved.
+        assertTrue(tempFile.exists());
+        assert(tempFile.length()>0);
+    }
 }
\ No newline at end of file