set numpoints to 20 by default

freecad/gears/bevelgear.py

@@ -94,7 +94,7 @@ class BevelGear(BaseGear):
         obj.pressure_angle = "20. deg"
         obj.pitch_angle = "45. deg"
         obj.height = "5. mm"
-        obj.numpoints = 6
+        obj.numpoints = 20
         obj.backlash = "0.00 mm"
         obj.clearance = 0.1
         obj.beta = "0 deg"

freecad/gears/cycloidgear.py

@@ -67,7 +67,7 @@ class CycloidGear(BaseGear):
         obj.beta = "0. deg"
         obj.height = "5. mm"
         obj.clearance = 0.25
-        obj.numpoints = 15
+        obj.numpoints = 20
         obj.backlash = "0.00 mm"
         obj.double_helix = False
         obj.head = 0

freecad/gears/internalinvolutegear.py

@@ -80,7 +80,7 @@ class InternalInvoluteGear(BaseGear):
         obj.thickness = "5 mm"
         obj.clearance = 0.25
         obj.head = -0.4  # using head=0 and shift=0.5 may be better, but makes placeing the pinion less intuitive
-        obj.numpoints = 6
+        obj.numpoints = 20
         obj.double_helix = False
         obj.backlash = "0.00 mm"
         obj.reversed_backlash = False

freecad/gears/involutegear.py

@@ -63,7 +63,7 @@ class InvoluteGear(BaseGear):
         obj.height = "5. mm"
         obj.clearance = 0.25
         obj.head = 0.0
-        obj.numpoints = 6
+        obj.numpoints = 20
         obj.double_helix = False
         obj.backlash = "0.00 mm"
         obj.reversed_backlash = False