Bottom mold for 10inch fin
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@ -5,8 +5,9 @@
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"$fn": "64",
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"base_extra_thickness": "20",
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"base_tickness": "8",
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"build_box": "true",
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"build_fin": "true",
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"build_box": "false",
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"build_fin": "false",
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"build_mold": "true",
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"draw_profile": "false",
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"fin_back_angle": "20",
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"fin_back_height": "30",
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@ -29,14 +30,13 @@
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"merge_holes_diameter": "6",
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"mold_base_height": "10",
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"mold_extra_width": "15",
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"mold_part": "all",
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"mold_part": "bottom",
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"mold_piston_height": "10",
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"mold_top_height": "5",
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"parts": "all",
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"piston_depth": "5",
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"printable": "false",
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"render_drill_template": "false",
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"render_mold": "false",
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"resin_escape_diameter": "4",
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"scale_factor": "1",
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"show_curve_points": "false",
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@ -148,7 +148,7 @@ draw_profile = false;
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// Rendering parts
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build_fin = false;
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build_box = false;
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render_mold = true;
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build_mold = true;
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render_drill_template = false;
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parts = "all"; // [all, top, bottom]
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@ -256,59 +256,9 @@ if (draw_profile) {
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layers = [profile_curve,layer0,layer1,layer2,layer3,layer4];
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/*
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echo ("profile_curve");
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print_path_points (profile_curve);
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echo ("layer0");
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print_path_points (layer0);
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*/
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/*
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left(200) {
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// Turning a VNF into geometry
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vnf = skin(layers,slices=0,z=layerHeights(len(layers),fin_thickness),method="fast_distance");
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//vnf1 = up(50, p=vnf);
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//bent1 = vnf_bend(vnf1, axis="X",r=10);
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vnf2 = vnf_hull(vnf);
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vnf_polyhedron(vnf2);
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// Expanded
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//expanded_vnf = vnf_small_offset(vnf,20);
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//back(80) vnf_polyhedron(expanded_vnf);
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back(380) vnf_polyhedron(vnf_sheet(vnf,-30));
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//vnf_polyhedron(vnf);
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//vnf_wireframe(vnf);
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}
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*/
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//left(365) polygon( profile_curve );
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//test = round_corners(polygon(profile_curve), radius=20, closed=false, $fn=72);
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left (800) color ("Green") polygon(profile_curve);
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left (1000) color ("Green") shell(10) polygon(profile_curve);
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/*
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convex_offset_extrude(
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bottom = os_circle(r=5),
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top=os_circle(r=5),
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height=10,
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offset="delta",
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angle=70
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)
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*/
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left (1000) color ("Green") shell(10) polygon(profile_curve);
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}
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@ -350,22 +300,54 @@ if ( build_fin )
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buildFin( fin_thickness );
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if ( build_box ) {
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left(80) xflip() finfit(fin_base+20, [1,1,0]);
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buildBox();
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}
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/**
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* Render Mold
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*/
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if ( render_mold ) buildMold();
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if ( build_mold ) buildMold();
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if ( render_drill_template ) buildDrillTemplate();
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module buildCompletFin() {
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union(){
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buildFin( fin_thickness );
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buildBox();
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}
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}
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module buildBox() {
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left(80) xflip()
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finfit(fin_base+20, [1,1,0],false,false);
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}
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/**
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* Build mold
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*
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*/
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module buildMold() {
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// Bottom mold
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moldContour = expandPath(profile_curve,mold_extra_width);
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showDebugPath(moldContour);
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moldHeight = 10;
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skirtHeight = 30;
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buildMoldSkirt(skirtHeight,mold_extra_width,3);
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if (mold_part != "top") {
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difference() {
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union() {
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down(moldHeight) linear_extrude (moldHeight) polygon(moldContour); // bottom
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back(5) left(95) cube([20+10,25,moldHeight],anchor=BACK+TOP); // Box shell
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};
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buildCompletFin();
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}
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}
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//left(300) linear_extrude (skirtHeight) polygon(moldSkirtRegion);
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/*
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if (mold_part != "top")
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difference() {
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case(mold_base_height,true);
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@ -386,6 +368,29 @@ module buildMold() {
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resin_escape(40);
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}
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}
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*/
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}
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module buildMoldSkirt( height,offset,thickness ) {
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outside = expandPath(profile_curve,offset);
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inside = expandPath(profile_curve,offset-thickness);
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down(height) {
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// Skirt
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linear_extrude (height) difference() {
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polygon(outside);
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polygon(inside);
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};
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difference() {
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//union() {
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intersection() {
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ycopies(30,10,sp=[-100,0,0])
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cube([fin_width*1.3,thickness,height]);
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linear_extrude (height) polygon(outside);
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};
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up(height) buildCompletFin();
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}
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}
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}
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/**
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@ -1,25 +1,25 @@
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module chinook(length)
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module chinook(length,screw = true,pin=true)
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{
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difference()
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{
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base_cube(length);
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tab_cut();
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screw_cut();
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if (screw) screw_cut();
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back_round_cut(length);
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pin_cut(length);
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if (pin) pin_cut(length);
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thickness_cut(length, thick/2);
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thickness_cut(length, -thick/2);
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}
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}
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module finfit(base_length, mirror_vec)
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module finfit(base_length, mirror_vec,screw = true,pin=true)
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{
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front_offset = tab_length;
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length = base_length + tab_length;
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echo ("length:",length);
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mirror(mirror_vec)
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translate([0,-front_offset, 0])
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chinook(length);
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chinook( length, screw ,pin );
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}
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module base_cube(BaseLength)
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