diff --git a/follow_focus.py b/follow_focus.py
index f9bf855..fc5bc48 100644
--- a/follow_focus.py
+++ b/follow_focus.py
@@ -1,4 +1,5 @@
 import cadquery as cq
+from cq_gears import SpurGear
 
 import copy, math
 
@@ -109,8 +110,17 @@ m_hole_diameter=6
 m_hole_depth=3
 lid = lid.faces('<Z[0]').workplane().circle(m_hole_diameter/2).cutBlind(-m_hole_depth)
 
+
+mod=0.8
+l_gear = cq.Workplane('XY').gear(SpurGear(module=mod,
+                                          teeth_number=58,
+                                          width=gear_thinkness,
+                                          bore_d=large_gear_diameter))
+l_gear = l_gear.translate((21+stepper_center[0],20.15+stepper_center[1]+offset+loop_thickness,(gear_thinkness+gear_offset)/2))
+
 # Render
 show_object(base, name='Follow Focus Base')
 show_object(lid, name='Follow Focus Lid')
+show_object(l_gear, name='Follow Focus Large Gear')