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KnobMajorRadius = KnobDiameter/2; KnobMinorRadius = KnobDiameter/2 * (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; hole_bottom = hole_top - 90; hole_bottom = hole_top - 90; if (NotchedShaft==1) { cube([HoleDiameter/2, ShaftDiameter*2, ShaftLength], center=true); } // Scenes From A Multiverse (to get alt tag elseif (strpos($article['link'], 'qwantz.com/index.php?comic') !== FALSE) { elseif (strpos($article['link'], 'gunnerkrigg.com/?p') !== FALSE) { $xpath = $this->get_xpath_dealie($article['link']); $img_tag = $this->get_img_tags($xpath, '(//div[@id="comic"]//img)', $article); } // Invisible Bread (make the bread visible if (preg_match("@.*(

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