Program: 70771
Project: 70771
Buggy source:
@Override public void render(Renderer renderer,int flags){
  if (debugframe == null) {
    TextImageStore store=((GLViewer)renderer).getTextRenderer().getImageStore();
    debugframe=TextImageStore.createDisplayFrame(store);
    debugframe.setVisible(true);
  }
  renderer.setShading(Shading.FLAT);
  renderer.setColor(Color.WHITE);
  renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
  renderer.drawSphere(Point3d.ZERO,0.01);
  Font font=new Font(Font.SANS_SERIF,0,54);
  renderer.drawText(font,"String_Node_Str",new float[]{0.4f,0.3f,0.3f},0.25);
  renderer.setColor(Color.ORANGE);
  String text="String_Node_Str";
  renderer.drawText(font,text,new float[]{-2f,0f,0f},0.25);
  Font comic=fontMap.get("String_Node_Str");
  if (comic == null) {
    comic=new Font(Font.MONOSPACED,Font.BOLD,32);
  }
 else {
    comic=comic.deriveFont(Font.BOLD,32);
  }
  renderer.setColor(Color.CYAN);
  text="String_Node_Str";
  Rectangle2D rect=renderer.getTextBounds(comic,text,0.25);
  renderer.drawText(comic,text,new float[]{-(float)(rect.getWidth()),0.5f,0f},0.25);
  renderer.setColor(Color.MAGENTA);
  text="String_Node_Str";
  font=new Font(Font.SERIF,Font.PLAIN,64);
  rect=renderer.getTextBounds(font,text,0.3);
  renderer.pushModelMatrix();
  RigidTransform3d trans=new RigidTransform3d(new Vector3d(0,-0.4,0),new AxisAngle(0,1,0,Math.toRadians(30)));
  renderer.mulModelMatrix(trans);
  renderer.setFaceStyle(FaceStyle.FRONT);
  renderer.drawText(font,text,Point3d.ZERO,0.3);
  trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0,1,0,Math.PI));
  renderer.mulModelMatrix(trans);
  renderer.drawText(font,text,new Point3d(-rect.getWidth(),0,0),0.3);
  trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0.1,1,0,Math.PI * 1));
  renderer.mulModelMatrix(trans);
  renderer.setShading(Shading.NONE);
  renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
  renderer.setColor(Color.GREEN);
  text="String_Node_Str";
  drawMultiline(renderer,font,text,new float[]{-1.75f,-0.2f,-0.5f},0.1,2);
  renderer.popModelMatrix();
}

Fixed version (ground truth):
@Override public void render(Renderer renderer,int flags){
  if (debugframe == null) {
    TextImageStore store=((GLViewer)renderer).getTextRenderer().getImageStore();
    debugframe=TextImageStore.createDisplayFrame(store);
    debugframe.setVisible(true);
  }
  renderer.setShading(Shading.FLAT);
  renderer.setColor(Color.WHITE);
  renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
  Font font=new Font(Font.SANS_SERIF,0,54);
  renderer.drawText(font,"String_Node_Str",new float[]{0.4f,0.3f,0.3f},0.25);
  renderer.setColor(Color.ORANGE);
  String text="String_Node_Str";
  renderer.drawText(font,text,new float[]{-2f,0f,0f},0.25);
  Font comic=fontMap.get("String_Node_Str");
  if (comic == null) {
    comic=new Font(Font.MONOSPACED,Font.BOLD,32);
  }
 else {
    comic=comic.deriveFont(Font.BOLD,32);
  }
  renderer.setColor(Color.CYAN);
  text="String_Node_Str";
  Rectangle2D rect=renderer.getTextBounds(comic,text,0.25);
  renderer.drawText(comic,text,new float[]{-(float)(rect.getWidth()),0.5f,0f},0.25);
  renderer.setColor(Color.MAGENTA);
  text="String_Node_Str";
  font=new Font(Font.SERIF,Font.PLAIN,64);
  rect=renderer.getTextBounds(font,text,0.3);
  renderer.pushModelMatrix();
  RigidTransform3d trans=new RigidTransform3d(new Vector3d(0,-0.4,0),new AxisAngle(0,1,0,Math.toRadians(30)));
  renderer.mulModelMatrix(trans);
  renderer.setFaceStyle(FaceStyle.FRONT);
  renderer.drawText(font,text,Point3d.ZERO,0.3);
  trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0,1,0,Math.PI));
  renderer.mulModelMatrix(trans);
  renderer.drawText(font,text,new Point3d(-rect.getWidth(),0,0),0.3);
  trans=new RigidTransform3d(Vector3d.ZERO,new AxisAngle(0.1,1,0,Math.PI * 1));
  renderer.mulModelMatrix(trans);
  renderer.setShading(Shading.NONE);
  renderer.setFaceStyle(FaceStyle.FRONT_AND_BACK);
  renderer.setColor(Color.GREEN);
  text="String_Node_Str";
  drawMultiline(renderer,font,text,new float[]{-1.75f,-0.2f,-0.5f},0.1,2);
  renderer.popModelMatrix();
}