diff --git a/include/polyscope/gl/shaders/vector_shaders.h b/include/polyscope/gl/shaders/vector_shaders.h
index 4be313ad..bcd0c1a7 100644
--- a/include/polyscope/gl/shaders/vector_shaders.h
+++ b/include/polyscope/gl/shaders/vector_shaders.h
@@ -48,7 +48,7 @@ static const GeomShader VECTOR_GEOM_SHADER = {
     // source
     GLSL(150,
         layout(points) in;
-        layout(triangle_strip, max_vertices=100) out;
+        layout(triangle_strip, max_vertices=40) out;
         in vec3 vector[];
         uniform mat4 u_viewMatrix;
         uniform mat4 u_projMatrix;
diff --git a/src/polyscope.cpp b/src/polyscope.cpp
index 69d6e80f..eefd45df 100644
--- a/src/polyscope.cpp
+++ b/src/polyscope.cpp
@@ -425,7 +425,7 @@ void show() {
     processMouseEvents();
 
     // Build the GUI components
-    ImGui::ShowTestWindow();
+    // ImGui::ShowTestWindow();
     buildPolyscopeGui();
     buildStructureGui();
     buildUserGui();