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In gear module, change default for clearance to 'undef'.

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gizmoplex 2015-12-05 17:57:25 -05:00
parent 6474be3183
commit 2d1a97c307
1 changed files with 2 additions and 2 deletions
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4
involute_gears.scad
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@ -297,7 +297,7 @@ module gear (
number_of_teeth=15, number_of_teeth=15,
circular_pitch=undef, diametral_pitch=undef, circular_pitch=undef, diametral_pitch=undef,
pressure_angle=28, pressure_angle=28,
clearance = false, clearance = undef,
gear_thickness=5, gear_thickness=5,
rim_thickness=8, rim_thickness=8,
rim_width=5, rim_width=5,
@ -318,7 +318,7 @@ module gear (
circular_pitch = (circular_pitch!=undef?circular_pitch:pi/diametral_pitch); circular_pitch = (circular_pitch!=undef?circular_pitch:pi/diametral_pitch);
// Calculate default clearance if not specified // Calculate default clearance if not specified
clearance = (clearance!=false?clearance:0.25 * circular_pitch / pi); clearance = (clearance!=undef?clearance:0.25 * circular_pitch / pi);
// Pitch diameter: Diameter of pitch circle. // Pitch diameter: Diameter of pitch circle.
pitch_diameter = number_of_teeth * circular_pitch / pi; pitch_diameter = number_of_teeth * circular_pitch / pi;