diff --git a/app.py b/app.py
index 0b5338d..90090fb 100644
--- a/app.py
+++ b/app.py
@@ -6,21 +6,30 @@
 import pyvista as pv
 import sys
 
-version = "v0.1.0"
+version = "v0.1.2"
 
 st_mode = "-gui" not in sys.argv
 
-print("Starting OpenWorm 3D Viewer (%s)" % version)
+
+def print_(msg, print_it=True):  # print_it=False when not verbose
+    if print_it:
+        pre = "Worm3DViewer >>> "
+        print("%s %s" % (pre, msg.replace("\n", "\n" + pre)))
+
+
+print_("Starting OpenWorm 3D Viewer (%s)" % version)
 
 if st_mode:
     import streamlit as st
 
+    print_("Streamlit mode detected...")
+
     st.set_page_config(layout="wide")
 
     from stpyvista.utils import start_xvfb
 
     if "IS_XVFB_RUNNING" not in st.session_state:
-        print("Starting XVFB...")
+        print_("Starting XVFB...")
         start_xvfb()
         st.session_state.IS_XVFB_RUNNING = True
 
@@ -38,34 +47,47 @@
 
 plotter = pv.Plotter()
 
+adding_sibernetic_model = False
+adding_neuroml_model = True
+adding_virtualworm_muscles = True
+adding_virtualworm_neurons = False
 
 spacing = 50
-"""
-add_sibernetic_model(
-    plotter, swap_y_z=True, offset3d=(spacing, -50, -100), show_footprint=False
-)
 
-add_neuroml_model(
+
+if adding_sibernetic_model:
+    print_("Adding Sibernetic model...")
+    add_sibernetic_model(
+        plotter, swap_y_z=True, offset3d=(spacing, -50, -100), show_footprint=False
+    )
+
+if adding_neuroml_model:
+    print_("Adding NeuroML model...")
+    add_neuroml_model(
         plotter,
         "NeuroML2/c302_D_Full.net.nml",
         somas_only=False,
         factor=0.2,
         rotate_x=-90,
     )  # at 0...
-"""
 
-add_virtualworm_muscles(plotter, translate=(-1 * spacing, 0, 0))
-# add_virtualworm_neurons(plotter, translate=(-1.8*spacing, 0, 0))
+if adding_virtualworm_muscles:
+    print_("Adding VirtualWorm muscles...")
+    add_virtualworm_muscles(plotter, translate=(-1 * spacing, 0, 0))
+
+if adding_virtualworm_neurons:
+    print_("Adding VirtualWorm neurons...")
+    add_virtualworm_neurons(plotter, translate=(-1.8 * spacing, 0, 0))
 
 plotter.set_viewup([0, 10, 0])
 
 
-print("Created the scene...")
+print_("Created the scene...")
 
 if st_mode:
     ##
     if True:
-        print("Pass a key to avoid re-rendering at each page change")
+        print_("Pass a key to avoid re-rendering at each page change")
         from stpyvista import stpyvista
 
         stpyvista(plotter, key="pv_cube")