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Swiss Sign

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Sébastien Dante Ursini 2025-02-02 19:36:39 -03:00
parent 006a1a43d6
commit f3c7c60618
6 changed files with 197 additions and 89 deletions
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6
Kitesurf-Fins.json
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@ -251,14 +251,13 @@
"resin_escape_diameter": "4",
"scale_factor": "1",
"show_debug_layers": "false",
"start": "[0, 0]",
"version": "0.9b"
},
"New set 8": {
"CLEARING": "0.10000000000000001",
"OFFSET": "0.01",
"build_fin": "false",
"draw_profile": "false",
"draw_profile": "true",
"fin_back_angle": "20",
"fin_back_height": "30",
"fin_back_strength": "30",
@ -292,11 +291,10 @@
"printable": "true",
"render_drill_template": "false",
"render_fin": "false",
"render_mold": "true",
"render_mold": "false",
"resin_escape_diameter": "4",
"scale_factor": "1",
"show_debug_layers": "false",
"start": "[0, 0]",
"version": "0.9b"
}
}

124
Kitesurf-Fins.scad
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@ -127,9 +127,6 @@ CLEARING = 0.1;
mold_width = fin_height +2 * mold_extra_width;
mold_length = fin_width +2 * mold_extra_width;
//mold_height = mold_base_height;
//drilling_length = mold_base_height+mold_piston_height+2*OFFSET;
/******************/
/* Profile points */
@ -172,40 +169,7 @@ points = flatten([
]);
profile = translate_path( asCurve(points,32),-fin_base/2,0 );
if (false) back(100) {
support( profile,extraWidth = mold_extra_width, height = fin_thickness/2 + mold_extra_height, part="bottom" ) ;
%moldSkirt ( profile, deepness = fin_thickness, heightFactor = mold_skirt_factor, thickness = 3, part = "bottom" );
%moldSkirt ( profile, deepness = fin_thickness, heightFactor = mold_skirt_factor, thickness = 3, part = "top" );
}
//mold_support_height = 10;
//mold_extra_width
//back(50) showDebugPath (profile_path);
//back(100) showDebugPath (profile);
//back(-55) left(50) drawProfile(points);
//back(-50) left(60+120) drawProfile(points);
// *****************
// * Fin Drawing *
// *****************
if ( render_fin ) {
scale([scale_factor, scale_factor, scale_factor])
buildFin( fin_thickness );
}
/**
* Render Mold
*/
if ( render_mold ) buildMold();
if ( render_drill_template ) buildDrillTemplate();
@ -300,38 +264,6 @@ module buildMold() {
*/
}
/**
* Mold Case
*
* @param height - Height of the case
* @param bottom - Is bottom or top
*/
module case( height , bottom=true ) {
difference() {
diff() cuboid( [ mold_length, mold_width, height ],
rounding=4,
edges=[bottom ? BOTTOM: TOP],
anchor=TOP ){
// Drills
align(BOTTOM,[FRONT+LEFT,FRONT+RIGHT,BACK+LEFT,BACK+RIGHT],inset=10,overlap=-OFFSET)
color("orange")
tag("remove")
drilling();
};
// Material holes
mirror([bottom ? 0:1,0,0])
back(38) left(55)
color("Red")
up(OFFSET)
rounded_triangle(radius=3, height=height+2*OFFSET);
// Length hole
fwd(32) cuboid([120,10,50],rounding=5);
// Side holes
left(67) cuboid([10,40,50],rounding=5);
right(67) cuboid([10,40,50],rounding=5);
}
}
/**
* Drill template
*
@ -486,23 +418,37 @@ echo ("**********************");
module drawProfile( points,debug = true ){
text_size=40;
debugPoint (start, "Start", "Red" ,textSize=text_size , t=[-20,4,0]);
debugPoint (top_point, "Top", "Blue" ,textSize=text_size , t=[-5,5,0]);
debugPoint (edge_point, "Edge", "Brown" ,textSize=text_size , t=[10,-5,0]);
debugPoint (counter_edge_point, "Counter Edge", "Brown" ,textSize=text_size , t=[35,-5,0]);
debugPoint (tail_point, "Tail", "Yellow" ,textSize=text_size , t=[8,-5,0]);
debugPoint (end_point, "End", "Yellow" ,textSize=text_size , t=[13,4,0]);
module drawProfile( points,layouts,debug = true, r = 1.5, text_size = 40 ){
for (i = [ 0 : len( layouts ) - 1 ]) {
debugPoint (
points[i == 0 ? 0 : i * 3],
id = layouts[i][0],
color = layouts[i][1],
t = layouts[i][2],
textSize = text_size,
r = r
);
}
debug_bezier(points, N=3,width=1.2);
}
// Draw fin profile
if ( draw_profile ) drawProfile( points, true );
if ( draw_profile )
drawProfile(
points,
[
//["Start" /*, "Red", [-20,4,0]*/],
["Start", "Red", [-20,-14,0]],
["Top" , "Blue", [-5,5,0]],
["Edge" , "Brown", [10,-5,0]],
["Counter Edge","Orange", [35,-5,0]],
["Tail" , "Yellow", [8,-5,0]],
["End" , "Red", [8,-10,0]],
],
text_size = 40
);
echo ("****************************");
echo ("** Build **");
@ -510,7 +456,21 @@ echo ("****************************");
echo (str("filename :",name,"-",mold_part,"-"/*,partition,*/,version,".stl"," "));
// *****************
// * Fin Drawing *
// *****************
if ( render_fin )
scale([scale_factor, scale_factor, scale_factor])
buildFin( fin_thickness );
/**
* Render Mold
*/
if ( render_mold )
buildMold();
if ( render_drill_template )
buildDrillTemplate();

9
Readme.md
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@ -25,7 +25,14 @@ Fin profile is defined using bézier 3 points control
![](./res/Kitesurf-Fins-Bottom.png)
![](./res/Kitesurf-Fins-Top.png)
[Understanding Kitesruf fins](https://24-7boardsports.com/understanding-kitesurf-twintip-board-fins/)
### Control Points
Points are Bézier 3 points with before and after control points :
![](./res/Kiteboard-Points.png)
[Understanding Kitesurf fins](https://24-7boardsports.com/understanding-kitesurf-twintip-board-fins/)
### Measure models

140
Swiss-Sign.scad Normal file
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@ -0,0 +1,140 @@
include <BOSL2/std.scad>;
red_color = [0.69, 0.15, 0.15];
$fn=64;
/**
* Creates a Swiss cross shape with optional background.
*
* @param w - Width of the cross (number, positive)
* @param h - Height of extrusion (number, positive)
* @param bg - If true, adds a red background (boolean, default: true)
*
* Usage:
* swiss_x(w, h, bg);
*
* Example:
*
* swiss_x(50, 10); // Cross without background
* swiss_x(50, 10, true); // Cross with red background
*/
module swiss_x(w, h, bg = true) {
// Parameter validation
assert(is_num(w) && w > 0, "Width 'w' must be a positive number.");
assert(is_num(h) && h > 0, "Height 'h' must be a positive number.");
assert(is_bool(bg), "Background 'bg' must be a boolean.");
// Calculate dimensions
l = w * 80/110; // Length of cross arm
t = w * 24/110; // Thickness of cross arm
// Half dimensions for point calculation
hw = l / 2; // Half width
ht = t / 2; // Half thickness
// Points for the cross shape
pts = [
[-hw, ht], // 0
[-ht, ht], // 1
[-ht, hw], // 2
[ ht, hw], // 3
[ ht, ht], // 4
[ hw, ht], // 5
[ hw,-ht], // 6
[ ht,-ht], // 7
[ ht,-hw], // 8
[-ht,-hw], // 9
[-ht,-ht], // 10
[-hw,-ht] // 11
];
// Draw white cross
color("white")
linear_extrude(h)
polygon(pts);
// Optional red background
if (bg)
color("red")
linear_extrude(h/2)
square(w, center=true);
}
// Example usage
//swiss_x(w = 8, h = 1, bg = false); // Extrude to 10 units in height
module swiss_x_2(w, h, bg = true) {
// Calculate dimensions
l = w * 80/110; // Length of cross arm
t = w * 24/110; // Thickness of cross arm
w2 = l-t;
echo ("l",l);
echo ("t",t);
echo ("x",x);
// Half dimensions for point calculation
hw = l / 2; // Half width
ht = t / 2; // Half thickness
// Points for the cross shape
pts = [
[-hw, ht], // 0
[-ht, ht], // 1
[-ht, hw], // 2
[ ht, hw], // 3
[ ht, ht], // 4
[ hw, ht], // 5
[ hw,-ht], // 6
[ ht,-ht], // 7
[ ht,-hw], // 8
[-ht,-hw], // 9
[-ht,-ht], // 10
[-hw,-ht] // 11
];
x = w * 26/110; // Thickness of cross arm
x1 = hw + ht;
//down(h) %swiss_x( w = w, h = h, bg = false);
f = 1.8;
d = 0.14;
s1 = t*1.2;
s2 = (hw-ht) * 1.1;
r = w * 3/110;
linear_extrude(h) difference() {
//color (red_color) round2d(r=3) {
color (red_color) round2d(r=r) {
translate([0,x1,0])
square((f-0*d) * s1 *0.8,center=true);
translate([x,x,0])
square((f-1*d) * s2,center=true,anchor=LEFT);
translate([x1,0,0])
square((f-2*d) * s1,center=true);
translate([x,-x,0])
square((f-3*d) * s2,center=true,anchor=LEFT);
translate([0,-x1,0])
square((f-4*d) * s1,center=true);
translate([-x,-x,0])
square((f-5*d) *s2,center=true,anchor=LEFT);
translate([-x1,0,0])
square((f-6*d) * s1,center=true);
translate([-x,x,0])
square( (f-7*d) * s2* 1.1,center=true,anchor=LEFT);
};
round2d(r=r) polygon(pts);
}
}
//swiss_x_2(w = 110, h = 1, bg = false); // Extrude to 10 units in height
swiss_x_2(w = 10, h = 2, bg = false); // Extrude to 10 units in height

7
common.scad
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@ -32,13 +32,16 @@ function handle(point,angle,strength) = [
* Show Debug point
*/
module debugPoint(point, id, color,textSize=20,r=1.5,t = [0,0,0]) {
translation = is_undef(t) ? [0,0,0] : t;
translate(point) {
color(color) sphere(r = r);
color(is_undef(color) ? "white" : color) sphere(r = r);
//translate([3, 3, 0.6]) {
translate([textSize/7+t[0], textSize/7+t[1], textSize/10+t[2]]) {
translate([textSize/7+translation[0], textSize/7+translation[1], textSize/10+translation[2]]) {
color("white")
scale([0.2, 0.2, 1])
linear_extrude(height = 0.1)

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