Theaninova/Brick-Monorail
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feat: design improvements

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Thea Schöbl
2024-02-29 15:56:03 +01:00
parent 6b1f73d765
commit c83b8ae89c
20 changed files with 197 additions and 188 deletions
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24
track.scad
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@@ -1,19 +1,19 @@
include <BOSL2/std.scad>;
include <BOSL2/beziers.scad>;
/* [Print Settings] */
Tolerance = 0.2;
// Mid-print stud inserts allowing the studs to be printed facing up seperately
StudInserts = true;
// Mid-print slot inserts eliminating the need for supports
AntiStudInserts = true;
// Part to generate
Type = "switch"; // [rail,switch,studs,antistuds]
Type = "rail"; // [rail,switch,studs,antistuds]
/* [Model Settings] */
Length = 8; // [4:1:56]
Length = 20; // [4:1:56]
Radius = 25; // [4:1:36]
// The angle the track takes
Angle = 0.0;
Angle = 15;
// Useful when working with Pythagorean Triples
AngleIsLength = true;
SwitchSupportCount = 3;
@@ -45,6 +45,7 @@ $teethRailWidth = 10 * $LDU;
$teethWidth = $tile / $teeth;
$teethDepth = 3 * $LDU;
module tooth() {
$height = $teethWidth - $teethTolerance;
$rail = $teethRailWidth / 2;
@@ -284,7 +285,7 @@ module monorailSwitch() {
translate([0, $tile * SwitchFrontLength, $tile / 2]) cube([$tile * 20, $teethTolerance, $plate], anchor=BOTTOM);
translate([0, $tile * (SwitchFrontLength + midLength), $tile / 2]) cube([$tile * 20, $teethTolerance, $plate], anchor=BOTTOM);
difference() {
translate([0, $tile * SwitchFrontLength, $tile / 2]) cube([$tile * 20, midLength * $tile, $LDU], anchor=BOTTOM+FRONT);
translate([0, $tile * SwitchFrontLength, $tile / 2]) cube([$tile * 20, midLength * $tile, Tolerance], anchor=BOTTOM+FRONT);
for (i = [0:SwitchSupportCount - 1]) {
y = SwitchFrontLength + 1 + ((midLength - 2) / (SwitchSupportCount - 1) * i);
@@ -307,13 +308,13 @@ module monorailSwitch() {
wl = 2 * $tile + travelDistance + $teethRailWidth;
wr = (1 - cos(asin((y - SwitchFrontLength) / Radius))) * Radius * $tile + travelDistance + 2 * $tile + $teethRailWidth;
translate([-wl, $tile * y, 0]) group() {
cube([wl + wr, strength + $LDU * 2, $tile], anchor=LEFT);
rotate([45, 0, 0]) cube([wl + wr, strength * 2 + $LDU * 2, strength * 2 + $LDU * 2], anchor=LEFT);
cube([wl + wr, strength + Tolerance * 2, $tile], anchor=LEFT);
rotate([45, 0, 0]) cube([wl + wr, strength * 2 + Tolerance * 2, strength * 2 + Tolerance * 2], anchor=LEFT);
};
}
translate([0, $tile * (SwitchFrontLength + midLength / 2), -$tile / 2])
cyl(d=$tile * (4 + travelDistance / 2) + $LDU * 2, h=$tile / 2, chamfer=$LDU * 4, $fn=64, anchor=BOTTOM);
//translate([0, $tile * (SwitchFrontLength + midLength / 2), -$tile / 2])
// cyl(d=$tile * (4 + travelDistance / 2) + $LDU * 2, h=$tile / 2, chamfer=$LDU * 4, $fn=64, anchor=BOTTOM);
}
if (SwitchFrontLength > 2) {
@@ -351,7 +352,10 @@ if (Type == "rail") {
rotate([180, 0, 180]) antiStudInsert();
} else if (Type == "switch") {
//guiderailChainLink();
monorailSwitch();
intersection() {
monorailSwitch();
translate([0, 55, 0]) cube([100, 60, 100], FRONT);
}
}