Maker/SurfFins
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Kitesurf fins refactoring

Browse Source
This commit is contained in:
Sébastien Dante Ursini 2025-01-31 10:39:01 -03:00
parent d239cfb1a5
commit 2472615421
9 changed files with 254995 additions and 475414 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

104
Kitesurf-Fins.json
View File

@ -2,9 +2,7 @@
"fileFormatVersion": "1",
"parameterSets": {
"New set 1": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_fin": "true",
"draw_profile": "false",
"fin_back_angle": "20",
@ -31,10 +29,8 @@
"show_debug_layers": "false"
},
"New set 2": {
"$fn": "64",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_fin": "true",
"draw_profile": "false",
"fin_back_angle": "20",
@ -57,11 +53,9 @@
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_base_height": "10",
"mold_extra_width": "15",
"mold_part": "bottom",
"mold_piston_height": "10",
"mold_top_height": "6",
"parts": "bottom",
"piston_depth": "5",
"resin_escape_diameter": "4",
@ -69,10 +63,8 @@
"show_debug_layers": "false"
},
"New set 3": {
"$fn": "64",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_fin": "false",
"draw_profile": "false",
"fin_back_angle": "20",
@ -95,11 +87,9 @@
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_base_height": "10",
"mold_extra_width": "15",
"mold_part": "top",
"mold_piston_height": "10",
"mold_top_height": "5",
"parts": "all",
"piston_depth": "5",
"printable": "true",
@ -110,10 +100,8 @@
"show_debug_layers": "false"
},
"New set 4": {
"$fn": "64",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_fin": "false",
"draw_profile": "false",
"fin_back_angle": "20",
@ -136,11 +124,9 @@
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_base_height": "10",
"mold_extra_width": "15",
"mold_part": "all",
"mold_piston_height": "10",
"mold_top_height": "5",
"parts": "all",
"piston_depth": "5",
"printable": "true",
@ -151,11 +137,9 @@
"show_debug_layers": "false"
},
"New set 5": {
"$fn": "64",
"CLEARING": "0.10000000000000001",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_fin": "false",
"draw_profile": "false",
"fin_back_angle": "20",
@ -178,11 +162,9 @@
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_base_height": "10",
"mold_extra_width": "15",
"mold_part": "all",
"mold_piston_height": "10",
"mold_top_height": "5",
"parts": "all",
"piston_depth": "5",
"printable": "true",
@ -192,6 +174,92 @@
"resin_escape_diameter": "4",
"scale_factor": "1",
"show_debug_layers": "false"
},
"New set 6": {
"CLEARING": "0.10000000000000001",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"build_fin": "false",
"draw_profile": "false",
"fin_back_angle": "20",
"fin_back_height": "30",
"fin_back_strength": "30",
"fin_back_widthdraw": "20",
"fin_back_withraw": "20",
"fin_base": "114",
"fin_counter_angle": "30",
"fin_counter_strength": "10",
"fin_edge_angle": "30",
"fin_edge_strength": "30",
"fin_end_angle": "110",
"fin_end_strength": "30",
"fin_height": "51",
"fin_start_angle": "60",
"fin_sweep": "25",
"fin_thickness": "8",
"fin_top_withdraw": "10",
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_extra_width": "3",
"mold_part": "top",
"mold_piston_height": "10",
"mold_skirt_factor": "2",
"parts": "all",
"piston_depth": "5",
"printable": "true",
"render_drill_template": "false",
"render_fin": "false",
"render_mold": "true",
"resin_escape_diameter": "4",
"scale_factor": "1",
"show_debug_layers": "false"
},
"New set 7": {
"CLEARING": "0.10000000000000001",
"OFFSET": "0.01",
"base_extra_thickness": "20",
"build_fin": "false",
"draw_profile": "false",
"fin_back_angle": "20",
"fin_back_height": "30",
"fin_back_strength": "30",
"fin_back_widthdraw": "20",
"fin_back_withraw": "20",
"fin_base": "114",
"fin_counter_angle": "30",
"fin_counter_strength": "10",
"fin_edge_angle": "30",
"fin_edge_strength": "30",
"fin_edge_withdraw": "20",
"fin_end_angle": "110",
"fin_end_strength": "30",
"fin_height": "51",
"fin_start_angle": "60",
"fin_sweep": "25",
"fin_thickness": "8",
"fin_top_withdraw": "10",
"fin_width": "120",
"fin_width_tip": "5",
"merge_holes_diameter": "6",
"mold_extra_height": "3",
"mold_extra_width": "3",
"mold_part": "top",
"mold_piston_height": "10",
"mold_skirt_factor": "3",
"name": "Kiteboard",
"name_suffix": "fin",
"parts": "all",
"piston_depth": "5",
"printable": "true",
"render_drill_template": "false",
"render_fin": "false",
"render_mold": "true",
"resin_escape_diameter": "4",
"scale_factor": "1",
"show_debug_layers": "false",
"start": "[0, 0]",
"version": "0.9b"
}
}
}

361
Kitesurf-Fins.scad
View File

@ -10,6 +10,8 @@ include <DotScad/src/bend_extrude.scad>;
include <DotScad/src/ellipse_extrude.scad>;
include <DotScad/src/loft.scad>;
include <common.scad>;
include <lib/mold.scad>;
/**
* Kitesurf Fins mold
@ -27,84 +29,93 @@ include <DotScad/src/loft.scad>;
/* [Fin Specs] */
fin_height = 51; // 10 inches in mm
fin_width = 120; // Width at the base in mm
fin_top_withdraw = 10;
fin_back_withraw = 20;
// Height
fin_height = 51; // 10 inches in mm
// Width
fin_width = 120; // Width at the base in mm
fin_top_withdraw = 10;
fin_edge_withdraw = 20;
fin_back_withraw = 20;
fin_start_angle = 60; // Angle [Point 0 ]
fin_sweep = 25; // Sweep Angle [Point 1]
fin_start_angle = 60; // Angle [Point 0 ]
fin_sweep = 25; // Sweep Angle [Point 1]
fin_edge_angle = 30;
fin_edge_strength = 30;
fin_edge_angle = 30;
fin_edge_strength = 30;
fin_counter_angle = 30; // counter angle [Point 2]
fin_counter_strength = 10; // Length [Point 2]
fin_counter_angle = 30; // counter angle [Point 2]
fin_counter_strength = 10; // Length [Point 2]
// Length at the base in mm
fin_base = 114;
fin_base = 114;
fin_width_tip = 5; // Width at the tip in mm
fin_thickness = 8; // Thickness of the fin in mm
fin_width_tip = 5; // Width at the tip in mm
fin_thickness = 8; // Thickness of the fin in mm
fin_end_angle = 110;
fin_end_strength = 30;
fin_end_angle = 110;
fin_end_strength = 30;
// Back
fin_back_height = 30; // Percent height
fin_back_widthdraw = 20; // Percent height
fin_back_angle = 20; // back angle
fin_back_strength=30;
fin_back_height = 30; // Percent height
fin_back_widthdraw = 20; // Percent height
fin_back_angle = 20; // back angle
fin_back_strength = 30;
/* [Base Specs] */
base_tickness=8;
base_extra_thickness=20;
//base_tickness=8;
base_extra_thickness = 20;
/* [Debugging] */
// Showing all layers
show_debug_layers = false;
show_debug_layers = false;
// Draw master profile
draw_profile = false;
draw_profile = false;
// Draw Fin
build_fin = false;
build_fin = false;
/* [Mold] */
// Mold base height
mold_base_height = 10;
mold_top_height = 5;
mold_extra_width = 15;
mold_extra_height = 3;
mold_extra_width = 3;
mold_skirt_factor = 3;
mold_piston_height = 10;
mold_piston_height = 10;
resin_escape_diameter=4;
resin_escape_diameter = 4;
// Diameter for screw holes in mm
merge_holes_diameter = 6;
piston_depth = 5;
merge_holes_diameter = 6;
piston_depth = 5;
/* [Rendering] */
// Rendering parts
render_fin = false;
render_mold = true;
render_drill_template = true;
render_fin = false;
render_mold = true;
render_drill_template = false;
parts = "all"; // [all, top, bottom]
parts = "all"; // [all, top, bottom]
mold_part = "all"; // [all, top, bottom]
mold_part = "all"; // [all, top, bottom]
name = "Kiteboard";
name_suffix = "fin";
version = "0.9b";
// Scaling
scale_factor = 1.0; // [0.1:0.1:2]
scale_factor = 1.0; // [0.1:0.1:2]
// Printable rendering
printable = true;
printable = true;
/* [Hidden] */
$fn=64;
@ -121,61 +132,73 @@ 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;
pt1_x = adj_ang_to_opp(fin_height,fin_sweep)+fin_base/2;
pt1_y = fin_height;
tail_point = [fin_width-3,fin_height/5];
edge_point = [fin_width-fin_top_withdraw,fin_height-2];
counter_edge_point = [fin_width-6,fin_height-8];
//mold_height = mold_base_height;
//drilling_length = mold_base_height+mold_piston_height+2*OFFSET;
/******************/
/* Profile points */
/******************/
profile_points = [
start = [ 0 , 0 ];
top_point = [ fin_base -5 , fin_height ];
edge_point = [ fin_base +3 , fin_height-9 ];
counter_edge_point = [ fin_base , 28 ];
tail_point = [ fin_base +5 , 10 ];
end_point = [ fin_base , 0 ];
points = flatten([
// *****************
// INITIAL POINT
// *****************
[0,0], // Point 0
[opp_ang_to_adj(fin_height/3,fin_start_angle),fin_height/3], // Handle 0
bez_begin(start,60,30),
// *****************
// TOP POINT
// *****************
[pt1_x-fin_base/5,pt1_y], // Handle 1 (Start)
[pt1_x,pt1_y], // Point 1
[pt1_x+fin_base/7,pt1_y], // Handle 1 (End)
bez_tang(top_point,0,30,8),
// *****************
// EDGE POINT
// *****************
handle(edge_point,140 ,4),
edge_point, // Point Edge Point
handle(edge_point,-45,4),
// *****************
// *****************
bez_tang(edge_point,-90,5),
// **********************
// COUNTER EDGE POINT
// *****************
handle(counter_edge_point,120,4),
counter_edge_point, // Point Counter Edge
handle(counter_edge_point,-110,13),
// **********************
bez_tang(counter_edge_point,-90,10),
// *****************
// TAIL Point
// *****************
bez_tang(tail_point,-90,3,3),
// *****************
handle(tail_point,115 ,10),
tail_point,
handle(tail_point,0,0),
// *****************
// END POINT
// *****************
handle([fin_base,0],60,3),
[fin_base,0] // End point
];
// END POINT
// *****************
bez_end(end_point,65,3),
]);
profile_path = translate_path( asCurve(profile_points),-fin_width/2 );
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);
// *****************
@ -199,16 +222,76 @@ if ( render_drill_template ) buildDrillTemplate();
*
*/
module buildMold() {
// Bottom mold
if (mold_part != "top")
// Bottom mold
if ( mold_part == "bottom" || mold_part == "all") {
union() {
difference() {
support(
profile,
extraWidth = mold_extra_width,
height = fin_thickness/2 + mold_extra_height,
part="bottom"
);
buildFin( fin_thickness );
};
moldSkirt (
profile,
deepness = fin_thickness,
heightFactor = mold_skirt_factor,
thickness = 3,
part = "bottom"
);
}
/*
difference() {
case(mold_base_height,true);
// Piston
down(piston_depth-OFFSET) fwd(20) bottomInsert();
}
*/
}
// Top Mold
if (mold_part != "bottom")
if ( mold_part == "top" || mold_part == "all") {
union() {
difference() {
union(){
down(0) support(
profile,
extraWidth = mold_extra_width,
height = fin_thickness/2 + mold_extra_height,
part="top"
);
//right(60) up(5)
translate([50,fin_height/4,5])
color("Orange")
moldMark( name, name_suffix, version, font="Saira Stencil One", size=8 );
;
if moldSkirt (
profile,
deepness = fin_thickness,
heightFactor = mold_skirt_factor,
thickness = 3,
part = "top"
);
}
buildFin( fin_thickness );
};
}
}
/*
up(printable ? 0 : 60) fwd(printable ? fin_height+50 : 0) down(mold_base_height) mirror([0,0,printable ? 1 : 0 ]) {
difference() {
union() {
@ -220,7 +303,8 @@ module buildMold() {
};
resin_escape(40);
}
}
}
*/
}
/**
@ -314,8 +398,7 @@ module rounded_triangle(radius, height) {
// *****************
module bottomInsert() {
debug=true;
//layer_profile = pathProcess(profile_path);
layer_profile = profile_path;
layer_profile = profile;
skin( [ layer_profile,expandPath(layer_profile,3) ], z=[0,piston_depth], slices=0 )
//up(debug ? 2 : 0)
up(OFFSET)
@ -328,7 +411,7 @@ module bottomInsert() {
// *****************
module topPiston() {
debug=true;
layer_profile = profile_path;
layer_profile = profile;
difference() {
skin( [ layer_profile,expandPath(layer_profile,3) ], z=[0,piston_depth], slices=0 );
down(OFFSET)
@ -356,7 +439,7 @@ module buildFinSide(thickness,flip=false) {
mirror([0,0,flip ? 1 : 0])
color(flip ? "Gray" : "LightGray") /*up(fin_thickness/4)*/ /*down(fin_thickness) */
ellipse_extrude( thickness / 2 )
polygon(profile_path);
polygon(profile);
}
module resin_escape(length) {
@ -380,31 +463,6 @@ module drilling(){
}
module subtracted(anchor) {
color("Red") fwd(40) left(40) cube([fin_width+100,fin_height+100,20],anchor=anchor);
}
// Draw fin profile
if (draw_profile) drawProfile( profile_points, true );
/**
* Displays debug information for a path by visualizing its self-crossings.
*
* @param path - The input path to analyze for self-crossings.
*
* This module:
* - Splits the path at points where it intersects itself.
* - Renders each segment of the split path with different colors for easy identification.
*/
module showDebugPath(path) {
assert(is_path(path),"Path to show is not a path");
assert(is_path_simple(path),"Path is not simple");
rainbow(split_path_at_self_crossings(path))
stroke($item, closed=false, width=0.2);
}
/**
* Draws a profile based on Bezier path points with optional debug visualization.
@ -426,85 +484,32 @@ module drawProfile( points,debug = true ){
//color("blue") translate(xy) sphere(r=6);
}
/**
* Adds a base to the given path by extending it with additional points.
*
* @param path - The original path to which the base will be added.
* @return A new path with an added base.
*
* This function concatenates:
* - The original path (`pathProfile`).
* - A point `fin_base` which might represent the start or end of the base.
* - Points for additional thickness (`-base_extra_thickness`) at both ends of the base.
*/
function addBase(path) = concat(path,[[fin_base,-base_extra_thickness],[0,-base_extra_thickness]]);
/**
* Function to translate a path manually along X and Y
*/
function translate_path(path, dx=0, dy=0) =
[for (p = path) [p[0] + dx, p[1] + dy]];
// Function to print points of a path
module print_path_points(path) {
for (i = [0:len(path)-1]) {
echo(str("\t Point ", i, ": [", path[i][0], ", ", path[i][1], "]"));
}
}
echo ("**********************");
echo ("* Configuration *");
echo ("**********************");
echo ("Base thickness" ,str(base_tickness," mm"));
//echo ("Base thickness" ,str(base_tickness," mm"));
module drawProfile( points,debug = true ){
function asCurve(points) = bezier_curve(points/*,N=3*/,splinesteps=128);
function handle(point,angle,strength) = [
//point[0] + adj_ang_to_opp(strength,angle) /** xAngleFactor(angle)*/,
//point[1] + /*(angle>0 ? strength :-strength)*/ strength * yAngleFactor(angle),
point[0] + polar_to_xy(strength,angle)[0] ,
point[1] + polar_to_xy(strength,angle)[1]
];
function xAngleFactor(angle) = angle > 0 && angle < 180 ? 1 : -1;
function yAngleFactor(angle) = angle > -90 && angle < 90 ? 1 : -1;
//function counterTop(x,withdraw,height) = [x-withdraw, height ];
function handleStart(x,withdraw,angle,strength) = [x+adj_ang_to_opp(strength,angle), x-withdraw +strength];
function handleEnd(x,withdraw,angle,strength) = [x-adj_ang_to_opp(strength,angle), x-withdraw -strength];
function endHandle(angle)=
angle < 90 ?
[fin_base + adj_ang_to_opp(fin_end_strength,90-angle),fin_end_strength]
:
[fin_base - adj_ang_to_opp(fin_end_strength,angle-90),fin_end_strength]
;
//function backPoint() = [fin_base-(fin_back_widthdraw/100*fin_base),fin_back_height/100*fin_height];
function decrease_y(points, percentage) = [ for (p = points) [p[0], p[1] * (1 - percentage/100)]];
function pathProfile(points) = bezpath_curve(points,N=3);
// Surf Fin profile
fin_profile = pathProfile( profile_points );
function expandPath(path,delta) =
offset(
deduplicate(path),
delta=delta,
chamfer=false,
same_length=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]);
debug_bezier(points, N=3,width=1.2);
}
// Draw fin profile
if ( draw_profile ) drawProfile( points, true );

64
Surf-Fins-10inch.json
View File

@ -2,7 +2,6 @@
"fileFormatVersion": "1",
"parameterSets": {
"New set 1": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_box": "false",
@ -42,7 +41,6 @@
"start": "[0, 0]"
},
"New set 2": {
"$fn": "64",
"base_extra_thickness": "40",
"base_tickness": "8",
"build_box": "false",
@ -93,7 +91,6 @@
"thick_cut": "1"
},
"New set 3": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"build_box": "false",
@ -144,7 +141,6 @@
"thick_cut": "1"
},
"New set 4": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"box_thickness": "9.5999999999999996",
@ -198,7 +194,6 @@
"thick_cut": "1"
},
"New set 5": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"box_thickness": "9.5999999999999996",
@ -253,7 +248,6 @@
"version": "0.9b"
},
"New set 6": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"box_offset": "80",
@ -309,7 +303,6 @@
"version": "0.9b"
},
"New set 7": {
"$fn": "64",
"base_extra_thickness": "20",
"base_tickness": "8",
"box_offset": "80",
@ -363,6 +356,63 @@
"thick": "9.1999999999999993",
"thick_cut": "1",
"version": "0.9c"
},
"New set 8": {
"base_extra_thickness": "20",
"base_tickness": "8",
"box_offset": "80",
"box_thickness": "9.5999999999999996",
"build_box": "false",
"build_fin": "false",
"build_mold": "true",
"draw_profile": "false",
"fin_back_angle": "20",
"fin_back_height": "30",
"fin_back_strength": "30",
"fin_back_widthdraw": "20",
"fin_base": "130",
"fin_counter_angle": "30",
"fin_counter_strength": "10",
"fin_edge_angle": "30",
"fin_edge_strength": "30",
"fin_edge_withdraw": "20",
"fin_end_angle": "110",
"fin_end_strength": "30",
"fin_height": "254",
"fin_start_angle": "70",
"fin_sweep": "25",
"fin_thickness": "9",
"fin_top_withdraw": "35",
"fin_width": "270",
"fin_width_tip": "5",
"height": "25",
"merge_holes_diameter": "6",
"mirror_vec": "[1, 1, 0]",
"mold_base_height": "10",
"mold_extra_width": "15",
"mold_part": "all",
"mold_piston_height": "10",
"mold_top_height": "5",
"name": "SurfFin",
"name_suffix": "10''",
"partition": "none",
"parts": "all",
"pin_back": "9",
"pin_depth": "16.399999999999999",
"pin_dia": "3",
"piston_depth": "5",
"printable": "false",
"scale_factor": "1",
"screw_dia": "4.5",
"screw_pos": "9.5999999999999996",
"show_curve_points": "false",
"show_debug_layers": "false",
"skirt_angle": "80",
"start": "[0, 0]",
"tab_height": "13",
"thick": "9.1999999999999993",
"thick_cut": "1",
"version": "0.9c"
}
}
}

15
Surf-Fins-10inch.scad
View File

@ -14,8 +14,9 @@ include <DotScad/src/loft.scad>;
include <scad-utils/morphology.scad>;
include <common.scad>;
include <./lib/chinook.scad> // US Box
include <./lib/finbox_us.scad> // US Box
include <lib/chinook.scad> // US Box
include <lib/finbox_us.scad> // US Box
include <lib/mold.scad>;
// https://github.com/BelfrySCAD/BOSL2/wiki/Tutorial-Beziers_for_Beginners
@ -175,12 +176,13 @@ scale_factor = 1.0; // [0.1:0.1:2]
// Printable rendering
printable = true;
$fn=64;
/*************/
/* Constants */
/*************/
/* [Hidden] */
$fn=64;
// Define the offset value as a constant
OFFSET = 0.01;
CLEARING = 0.1;
@ -277,7 +279,7 @@ module buildCompletFin() {
}
module baseMask() {
fwd(OFFSET) cube([fin_base*1.1,base_extra_thickness*1.1,fin_thickness*1.1],anchor=BACK);
fwd( OFFSET ) cube([fin_base*1.1,base_extra_thickness*1.1,fin_thickness*1.1],anchor=BACK);
}
@ -339,7 +341,10 @@ module buildMold() {
}
/**
*
* @deprecated Use support from mold.scad
*/
module support( part ) {
moldHeight = 10;
moldContour = expandPath(profile,mold_extra_width);

10
common.scad
View File

@ -69,7 +69,7 @@ module vnfPoints(points,textSize=1,r=0.1) {
* - Splits the path at points where it intersects itself.
* - Renders each segment of the split path with different colors for easy identification.
*/
module showDebugPath(path) {
module showDebugPath( path ) {
assert(is_path(path),"Path to show is not a path");
assert(is_path_simple(path),"Path is not simple");
rainbow(split_path_at_self_crossings(path))
@ -96,7 +96,6 @@ module rounded_triangle(radius, height) {
*/
function translate_path(path, dx=0, dy=0) = [for (p = path) [p[0] + dx, p[1] + dy]];
/**
* Convert points to bezier curve
*
@ -107,11 +106,6 @@ function translate_path(path, dx=0, dy=0) = [for (p = path) [p[0] + dx, p[1] + d
function asCurve( points,steps=128 ) = bezpath_curve(points,N=3,splinesteps=steps);
//function asCurve2( points ) = path_to_bezpath(bezier_curve(points,splinesteps=64));
//path_to_bezpath
/**
* Print path points
*/
@ -124,7 +118,7 @@ module print_path_points(path) {
/**
* Expand path
*
* @param path - Original path
* @param path - Original path
* @param delta - distance to expand
*
* Keep the same number of points

113
lib/mold.scad Normal file
View File

@ -0,0 +1,113 @@
/**
* Mold Support
*
* @param profile - Profile of the mold
* @param extraWidth - Mold Extra width
* @param height - Height of the support
* @param part - Part to provide top or bottom
*
* Bottom will be larger than the profile using extraWidth
* Top part will be the size of the profile
*/
module support( profile, extraWidth=5, height=10, part = "bottom" ) {
moldContour = expandPath(profile,extraWidth);
if ( part == "bottom" ) {
down( height )
difference() {
linear_extrude (height)
polygon( moldContour ); // bottom support
//down(1) left(40) back(30) mirror([-1,0,0]) versionMark(12);
}
} else if ( part == "top" ) {
linear_extrude (height) polygon(profile); // top support
//translate([60,30,moldHeight-1])
//mirror([0,0,0])
//versionMark(12);
}
}
/**
* Build the piston skirt top or bottom
*
* @param profile - Profile of the mold
* @param deepness - Deepness of the mold
* @param heightFactor - Factor to multiply height
* @param part - Part could be 'top' or 'bottom'
* @param angle - Opening angle
*/
module moldSkirt( profile, deepness = 10, part = "bottom", angle = 80, heightFactor = 3,thickness = 4 ){
assert( profile , "'profile' parameter should be defined in mold skirt");
assert( part , "'part' parameter should be defined in mold skirt");
//box_profile = move([-80,0],profileUS (fin_base+30));
//finAndBoxProfile = path_merge_collinear(union([box_profile,profile]));
//moldHeight = fin_thickness * 3;
//up (part=="top" ? height : 0 )
skirt(
profile,
moldThickness = thickness ,
angle = angle,
moldDeep = deepness,
heightFactor = heightFactor,
side = part
);
}
/**
* Make a skirt around a profile
*
* @param profile - Path ot the mold
* @param moldThickness - Thickness of the mold
* @param angle - Angle of the skirt starting from flat angle
* @param moldDeep - Mold deep. Normally height of the skirt should be 3 times the thickness of the model
* @param side - Bottom or top part of the mold
*
*/
module skirt( profile, moldThickness = 4 , angle = 45 , moldDeep, side = "bottom", heightFactor = 3, clearance = 0.2 ) {
height = heightFactor * moldDeep;
deviation = opp_ang_to_adj ( height, angle );
if ( side == "bottom" ) {
lowInt = profile;
lowExt = expandPath( lowInt , moldThickness );
highInt = expandPath( lowInt , deviation );
highExt = expandPath( lowInt , deviation + moldThickness );
difference(){
color("Brown") skin([lowExt , highExt ], z=[0 , height ] , slices=0);
skin([lowInt , highInt ], z=[-OFFSET , height+OFFSET ] , slices=0);
}
} else if ( side == "top" ) {
lowInt = expandPath( profile , -moldThickness );
lowExt = expandPath( profile , -clearance );
highInt = expandPath( profile , +deviation-moldThickness );
highExt = expandPath( profile , +deviation -clearance );
difference(){
color("Olive") skin([lowExt , highExt ], z=[0 , height ] , slices=0);
skin([lowInt , highInt ], z=[-OFFSET , height+OFFSET ] , slices=0);
}
}
}
/**
* Mold Mark
*
* @param name
* @param suffix
* @param version
* @param font
*
*/
module moldMark(name,suffix,version,font="Geneva",size = 18, align="right") {
linear_extrude(3) color("Orange") {
text(str(name,"[",suffix,"]"),size=size,font=font,halign=align);
fwd(size/18 * 18+1) text(str(version),size=size * (15/18),font=font,halign=align);
}
}

BIN
packaging/quilhas-mormaii-full-carbon-medium-encaixe-fcs-ii-small-3.avif Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 1.3 KiB

515331
stl/10inch/gcode/surf-fins-10inch-bottom-low_0.9c.gcode
View File

File diff suppressed because it is too large Load Diff

214411
stl/10inch/gcode/surf-fins-10inch-top-high_0.9c.gcode
View File

File diff suppressed because it is too large Load Diff