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Update venturi dimensions

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This commit is contained in:
Erick
2025-04-30 22:23:48 +02:00
parent 511cf3cd53
commit fcff274519
2 changed files with 18 additions and 19 deletions
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venturi/venturi.FCStd
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venturi/venturi.scad
+18 -19
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@@ -1,20 +1,20 @@
// ======== Global Parameters ======== // // ======== Global Parameters ======== //
$fn = 75; $fn = 75;
inlet_segments = 60; inlet_segments = 60;
outlet_segments = 20; outlet_segments = 20;
// ======== Venturi Geometry ======== // // ======== Venturi Geometry ======== //
inlet_length = 250; inlet_length = 250;
outlet_length = 350; outlet_length = 350;
inlet_radius = 300; inlet_radius = 200;
throat_radius = 80; throat_radius = 80;
outlet_radius = 110; outlet_radius = 110;
wall_thickness = 5; wall_thickness = 5;
inlet_curve_factor = 2; inlet_curve_factor = 2;
outlet_curve_factor = 1.5; outlet_curve_factor = 1.5;
// ======== Stacking Function ======== // // ======== Utility Module ======== //
module stacked_shell(length, r_end, thickness, segments, curve_factor, is_outer = true) { module stacked_shell(length, r_end, thickness, segments, curve_factor, is_outer = true) {
for (i = [0:segments - 1]) { for (i = [0:segments - 1]) {
h = length / segments; h = length / segments;
@@ -37,23 +37,22 @@ module stacked_shell(length, r_end, thickness, segments, curve_factor, is_outer
// ======== Inlet Module ======== // // ======== Inlet Module ======== //
module inlet() { module inlet() {
difference() { difference() {
union() stacked_shell(inlet_length, inlet_radius, wall_thickness, inlet_segments, inlet_curve_factor, true);
stacked_shell(inlet_length, inlet_radius, wall_thickness, inlet_segments, inlet_curve_factor, true); stacked_shell(inlet_length, inlet_radius, wall_thickness, inlet_segments, inlet_curve_factor, false);
union()
stacked_shell(inlet_length, inlet_radius, wall_thickness, inlet_segments, inlet_curve_factor, false);
} }
} }
rotate([0, -90, 0]) inlet();
// ======== Outlet Module ======== // // ======== Outlet Module ======== //
module outlet() { module outlet() {
difference() { difference() {
union() stacked_shell(outlet_length, outlet_radius, wall_thickness, outlet_segments, outlet_curve_factor, true);
stacked_shell(outlet_length, outlet_radius, wall_thickness, outlet_segments, outlet_curve_factor, true); stacked_shell(outlet_length, outlet_radius, wall_thickness, outlet_segments, outlet_curve_factor, false);
union()
stacked_shell(outlet_length, outlet_radius, wall_thickness, outlet_segments, outlet_curve_factor, false);
} }
} }
rotate([0, 90, 0]) outlet(); // ======== Top-Level Geometry ======== //
translate([0, 0, 0])
rotate([0, -90, 0]) inlet();
translate([0, 0, 0])
rotate([0, 90, 0]) outlet();