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Enabled knurling or ribbing of pco1881_cap()

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Revar Desmera
2019-08-30 16:20:34 -07:00
parent 9ed027a0cd
commit cb398bd7ff
3 changed files with 27 additions and 9 deletions
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23
threading.scad
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@@ -980,11 +980,12 @@ module pco1881_neck(wall=2, anchor="support-ring", spin=0, orient=UP)
// Module: pco1881_cap()
// Usage:
// pco1881_cap(wall);
// pco1881_cap(wall, [texture]);
// Description:
// Creates a basic cap for a PCO1881 threaded beverage bottle.
// Arguments:
// wall = Wall thickness in mm.
// texture = The surface texture of the cap. Valid values are "none", "knurled", or "ribbed". Default: "none"
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#orient). Default: `UP`
@@ -992,7 +993,7 @@ module pco1881_neck(wall=2, anchor="support-ring", spin=0, orient=UP)
// "inside-top" = Centered on the inside top of the cap.
// Example:
// pco1881_cap();
module pco1881_cap(wall=2, anchor=BOTTOM, spin=0, orient=UP)
module pco1881_cap(wall=2, texture="none", anchor=BOTTOM, spin=0, orient=UP)
{
$fn = segs(33/2);
w = 28.58 + 2*wall;
@@ -1002,8 +1003,22 @@ module pco1881_cap(wall=2, anchor=BOTTOM, spin=0, orient=UP)
];
orient_and_anchor([w, w, h], orient, anchor, spin=spin, anchors=anchors, chain=true) {
down(h/2) zrot(45) {
tube(id=28.58, wall=wall, h=11.2+wall, anchor=BOTTOM);
cylinder(d=w, h=wall, anchor=BOTTOM);
difference() {
union() {
if (texture == "knurled") {
knurled_cylinder(d=w, helix=45, l=11.2+wall, anchor=BOTTOM);
cyl(d=w-1.5, l=11.2+wall, anchor=BOTTOM);
} else if (texture == "ribbed") {
zrot_copies(n=30, r=(w-1)/2) {
cube([1, 1, 11.2+wall], anchor=BOTTOM);
}
cyl(d=w-1, l=11.2+wall, anchor=BOTTOM);
} else {
cyl(d=w, l=11.2+wall, anchor=BOTTOM);
}
}
up(wall) cyl(d=28.58, h=11.2+wall, anchor=BOTTOM);
}
up(wall+2) thread_helix(base_d=25.5, pitch=2.7, thread_depth=1.6, thread_angle=15, twist=650, higbee=45, internal=true, anchor=BOTTOM);
}
children();