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Fixed sparse_strut()

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This commit is contained in:
Revar Desmera 2019-04-26 03:02:47 -07:00
parent c3b81ce27f
commit f1af59eb6a
3 changed files with 21 additions and 22 deletions
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2
scripts/make_all_docs.sh
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@ -3,7 +3,7 @@
if [[ $# > 0 ]]; then
PREVIEW_LIBS="$@"
else
PREVIEW_LIBS="compat attachments math arrays vectors matrices coords geometry triangulation quaternions hull constants transforms primitives shapes masks paths beziers metric_screws threading involute_gears sliders joiners linear_bearings nema_steppers wiring phillips_drive torx_drive debug"
PREVIEW_LIBS="compat attachments math arrays vectors matrices coords geometry triangulation quaternions hull constants transforms primitives shapes masks paths beziers walls metric_screws threading involute_gears sliders joiners linear_bearings nema_steppers wiring phillips_drive torx_drive debug"
fi
dir="$(basename $PWD)"

35
shapes.scad
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@ -1260,8 +1260,7 @@ module slot(
r1 = get_radius(r1=r1, r=r, d1=d1, d=d, dflt=5);
r2 = get_radius(r1=r2, r=r, d1=d2, d=d, dflt=5);
sides = quantup(segs(max(r1, r2)), 4);
// TODO: implement orient and anchor.
// TODO: implement anchors.
// TODO: implement orient and anchors.
hull() spread(p1=p1, p2=p2, l=l, n=2) cyl(l=h, r1=r1, r2=r2, center=true, $fn=sides);
}
@ -1276,22 +1275,22 @@ module slot(
// arced_slot(h, r|d, sr1|sd1, sr2|sd2, [sa], [ea], [orient], [anchor|center], [$fn2]);
//
// Arguments:
// cp = centerpoint of slot arc. (default: [0, 0, 0])
// h = height of slot arc shape. (default: 1.0)
// r = radius of slot arc. (default: 0.5)
// d = diameter of slot arc. (default: 1.0)
// sr = radius of slot channel. (default: 0.5)
// sd = diameter of slot channel. (default: 0.5)
// sr1 = bottom radius of slot channel cone. (use instead of sr)
// sr2 = top radius of slot channel cone. (use instead of sr)
// sd1 = bottom diameter of slot channel cone. (use instead of sd)
// sd2 = top diameter of slot channel cone. (use instead of sd)
// sa = starting angle. (Default: 0.0)
// ea = ending angle. (Default: 90.0)
// orient = Orientation of the arced slot. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Z`.
// anchor = Alignment of the arced slot. Use the constants from `constants.scad`. Default: `CENTER`.
// center = If true, centers vertically. If false, drops flush with XY plane. Overrides `anchor`.
// $fn2 = The $fn value to use on the small round endcaps. The major arcs are still based on $fn. Default: $fn
// cp = Centerpoint of slot arc. Default: `[0, 0, 0]`
// h = Height of slot arc shape. Default: `1`
// r = Radius of slot arc. Default: `0.5`
// d = Diameter of slot arc. Default: `1`
// sr = Radius of slot channel. Default: `0.5`
// sd = Diameter of slot channel. Default: `0.5`
// sr1 = Bottom radius of slot channel cone. Use instead of `sr`.
// sr2 = Top radius of slot channel cone. Use instead of `sr`.
// sd1 = Bottom diameter of slot channel cone. Use instead of `sd`.
// sd2 = Top diameter of slot channel cone. Use instead of `sd`.
// sa = Starting angle. Default: `0`
// ea = Ending angle. Default: `90`
// orient = Orientation of the arced slot. Use the `ORIENT_` constants from `constants.scad`. Default: `ORIENT_Z`
// anchor = Alignment of the arced slot. Use the constants from `constants.scad`. Default: `CENTER`
// center = If given and true, centers vertically. If given and false, drops flush with XY plane. Overrides `anchor`.
// $fn2 = The `$fn` value to use on the small round endcaps. The major arcs are still based on `$fn`. Default: `$fn`
//
// Example: Typical Arced Slot
// arced_slot(d=60, h=5, sd=10, sa=60, ea=280);

6
walls.scad
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@ -370,7 +370,7 @@ module thinning_triangle(h=50, l=100, thick=5, ang=30, strut=5, wall=3, diagonly
module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, orient=ORIENT_Y, anchor=CENTER)
{
zoff = h/2 - strut/2;
yoff = l/2 - strut;
yoff = l/2 - strut/2;
maxhyp = 1.5 * (max_bridge+strut)/2 / sin(maxang);
maxz = 2 * maxhyp * cos(maxang);
@ -397,8 +397,8 @@ module sparse_strut(h=50, l=100, thick=4, maxang=30, strut=5, max_bridge=20, ori
}
yspread(ystep, n=yreps) {
xspread(zstep, n=zreps) {
skew_xy(planar=true, ya=-ang) square([h-1.99*strut, strut], center=true);
skew_xy(planar=true, ya= ang) square([h-1.99*strut, strut], center=true);
skew_xy(planar=true, ya=-ang) square([(h-strut)/zreps, strut], center=true);
skew_xy(planar=true, ya= ang) square([(h-strut)/zreps, strut], center=true);
}
}
}