guidearm_armwidth = guide_armwidth - guidearm_armslop;
guidearm_armcorelen = guide_armcorelen + guidearm_armlenslop;
-module FilamentGuideArm(){ ///toplevel
+module FilamentGuideArmTipPositive(){
r = guidearm_armdia/2;
translate([0,0,-1])
}
}
+module FilamentGuideArm(){ ///toplevel
+ FilamentGuideArmTipPositive();
+}
+
module Demo(){
translate([-hubeffrad-30,50,0]) Hub();