Theaninova/Brick-Monorail
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feat: updates

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Thea Schöbl
2024-02-25 20:49:21 +01:00
parent 513243ccdb
commit b722621107
2 changed files with 53 additions and 45 deletions
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39
track.scad
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@@ -7,17 +7,12 @@ LayerHeight = 0.2; // [0.1,0.13,0.2]
// Enable built-in support for 3d printing
Support = true;
/* [Model Settings] */
// Only applies to straight tracks
Length = 8; // [4:1:56]
// Only applies to curves
Radius = 28; // [4:1:36]
// TODO: Incline of the track
Incline = 0; // [-10:1:10]
AlignInclineToBaseplate = true;
// The angle the track takes
Angle = 0.0;
// Useful when working with Pythagorean Triples
UseLengthForCurveAngle = true;
Radius = 28; // [4:1:36]
// The angle the track takes
Angle = 0.0;
module __CustomizerLimit__() {}
@@ -31,7 +26,7 @@ $plate=8 * $LDU;
$studBrim=$tile - $stud;
$studSupport=8 * $LDU;
$fillet=$LDU / 2;
$fillet=$LDU;
$edgeTolerance=$LDU / 2;
$len = 20;
@@ -83,7 +78,8 @@ module endCapStraight(includeRail=true) {
translate([0, $tile / 2, 0])
cyl(l=$width + $studHeight * 2 + $LDU / 2, d=$stud, orient=LEFT, $fn=24);
translate([$tile, -$tile, 0]) cube([8 * $LDU, $LDU, $tile], anchor=LEFT+BACK);
// End Slot
translate([$tile + $LDU, -$tile, 0]) cube([6 * $LDU, $LDU, $tile], anchor=LEFT+BACK);
if (Support) {
mirror_copy([1, 0, 0]) difference() {
@@ -98,9 +94,6 @@ module endCapStraight(includeRail=true) {
mirror_copy([1, 0, 0])
translate([$tile / 2, -$tile / 2, $tile / 2 - $plate * 2])
brickSlot();
// Bridging improvements
translate([0, 0, $tile / 2 - $plate * 2]) cube([$tile * 2, $tile - 4 * $LDU, $LDU], anchor=BACK);
translate([0, -4 * $LDU, $tile / 2 - $plate * 2]) cube([$tile * 2, $stud, $LDU * 2], anchor=BACK);
// Fingernail slot
mirror_copy([1, 0, 0])
@@ -111,12 +104,22 @@ module endCapStraight(includeRail=true) {
translate([$width + $plate - $LDU, $tile / 2, $tile - $LDU]) cube([$LDU, $tile, $LDU]);
// End Slots
translate([-$tile, -$tile, 0]) cube([8 * $LDU, $LDU, $tile], anchor=RIGHT+FRONT);
move_copies([[-$tile, -$tile + $LDU], [$tile + 8 * $LDU, -$tile, 0]])
translate([-$tile, -$tile, 0]) cube([8 * $LDU, $LDU * 2, $tile], anchor=RIGHT+FRONT);
translate([$tile + 7 * $LDU, -$tile, 0])
mirror_copy([1, 0, 0], cp=[-3 * $LDU, 0, 0])
cyl(d=$fillet, h=$tile, $fn=12);
translate([-$tile, -$tile + $LDU * 2])
mirror_copy([1, 0, 0], cp=[-4 * $LDU, 0, 0])
cyl(d=$fillet, h=$tile, $fn=12);
}
if (Support) {
translate([0, -$tile, -$tile / 2])
rect_tube(size=[$tile * 2 - $LDU * 2, $tile - $LDU * 2], h=$LDU * 4 - LayerHeight, wall=$LDU * 2, anchor=FRONT+BOTTOM);
translate([0, -$tile, -$tile / 2])
cube([$LDU * 2, $tile - $LDU * 2, $LDU * 4 - LayerHeight], anchor=FRONT+BOTTOM);
}
if (includeRail) {
// Rail
translate([0, $teethTolerance / 2, $tile / 2]) cuboid([$teethRailWidth, $tile * 2 - $teethTolerance, $plate], anchor=BOTTOM);
@@ -130,7 +133,7 @@ module endCapStraight(includeRail=true) {
}
module monorailCurve(r=28, sa, ea, p1) {
$n_teeth = round((PI * r * $tile) / (360 / abs(-sa - ea)));
$n_teeth = round((PI * r * $tile) / (295 / abs(-sa - ea)));
angle = [180 - ea, 180 + sa];
points = arc($n_teeth, r=(r * $tile), angle=angle);
@@ -150,8 +153,10 @@ module monorailCurve(r=28, sa, ea, p1) {
], points);
translate(points[0]) rot(-ea) cube([$tile * 6, $tile * 4, $tile], anchor=CENTER);
translate(points[len(points) - 1]) rot(sa) cube([$tile * 6, $tile * 4, $tile], anchor=CENTER);
translate(points[0]) rot(-ea) translate([0, -$teethWidth/2, 0]) cube([$tile * 6, $tile * 4, $tile], anchor=BOTTOM+FRONT);
translate(points[len(points) - 1]) rot(sa) translate([0, $teethWidth/2, 0]) cube([$tile * 6, $tile * 4, $tile], anchor=BOTTOM+BACK);
}
translate([0, 0, $tile / 2]) arc_copies($n_teeth, r=(r * $tile), sa=angle[0], ea=angle[1]) tooth();
translate([0, 0, $tile / 2]) arc_copies($n_teeth + 1, r=(r * $tile), sa=angle[0], ea=angle[1] - (180 * ($teethWidth / (PI * r * $tile)))) tooth();
}
}