Mold up fix for US Box

Surf-Fins-10inch.json

@@ -145,6 +145,61 @@
             "tab_height": "13",
             "thick": "9.1999999999999993",
             "thick_cut": "1"
+        },
+        "New set 4": {
+            "$fn": "64",
+            "base_extra_thickness": "20",
+            "base_tickness": "8",
+            "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": "bottom",
+            "mold_piston_height": "10",
+            "mold_top_height": "5",
+            "partition": "none",
+            "parts": "all",
+            "pin_back": "9",
+            "pin_depth": "16.399999999999999",
+            "pin_dia": "3",
+            "piston_depth": "5",
+            "printable": "false",
+            "resin_escape_diameter": "4",
+            "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"
         }
     }
 }

Surf-Fins-10inch.scad

@@ -154,6 +154,7 @@ draw_profile = false;
 build_fin       = false;
 build_box       = false;
 build_mold     = true;
+partition       = "none";    // [none, low, high]
 
 parts           = "all";      // [all, top, bottom]
 
@@ -284,7 +285,21 @@ if ( build_box ) {
 /**
  * Render Mold
  */
-if ( build_mold )              buildMold();    
+if ( build_mold )              //buildMold();    
+{
+
+    difference(){
+        buildMold();
+        //cube([100,200,30]);
+        if (partition=="low")
+             partitionMask(false);
+        if (partition=="high")
+             partitionMask(true);
+             
+    }                
+
+}
+
 
 
 module buildCompletFin() {
@@ -296,59 +311,23 @@ module buildCompletFin() {
     }
 }
 
-
-module buildBox() {
-    /*
-    left(80) {
-        xflip() {     
-            finfit(fin_base+20, [1,1,0],false,false);
-        }        
-    
-        //up(20) tab_cut();
-    }
-    */
-        
-}
-module buildBoxMold() {
-
-    // To be defined
-}
-
 module baseMask() {
     fwd(OFFSET) cube([fin_base*1.1,base_extra_thickness*1.1,fin_thickness*1.1],anchor=BACK);
 }
 
 
-
 module usBoxMask() {
     left(80) color("Blue") usBox(fin_base+30,thickness = box_thickness+2*OFFSET,drill=false);
 }
 
 
-
-/*
-module bottomSupport() {
-    moldHeight = 10;
-    moldContour =  expandPath(profile,mold_extra_width);
-    down(moldHeight) 
-        linear_extrude (moldHeight) polygon(moldContour);  // bottom support
-}
-*/
-
-module support( part ) {
-    moldHeight = 10;
-    moldContour =  expandPath(profile,mold_extra_width);
-    down( (part == "bottom" ? 1 : 0) * moldHeight) 
-        linear_extrude (moldHeight) polygon(moldContour);  // bottom support
-}
-
 /**
  * Build mold
  * 
  */
 module buildMold() {
     // Bottom Mold
-    if (mold_part != "top") {
+    if (mold_part != "top") right( printable ? 120 : 0 ) {
         // Fin mold
         difference() {
             support(part="bottom");
@@ -365,7 +344,7 @@ module buildMold() {
         moldSkirt( part="bottom" );
     }
     // Top
-    if (mold_part != "bottom") xrot(printable ? 180 : 0 ) back( printable ? 60 : 0 )  {
+    if (mold_part != "bottom") /*up(1* 150)*/ left( printable ? 120 : 0 ) yrot(printable ? 180 : 0 )   {
         difference(){
             support(part="top");
             usBoxMask();
@@ -376,41 +355,28 @@ module buildMold() {
         difference() {
             left(80)  finBoxMold( fin_base+30,part="top",skirt=false );
             // Remove fin
-            //buildCompletFin(); 
+            buildCompletFin(); 
         }
         // Mold skirt
         down( fin_thickness * 3 ) moldSkirt( part="top" );    
     }
      
-    
-    
-    //up(50) buildCompletFin();
-    
-    //left(300) linear_extrude (skirtHeight) polygon(moldSkirtRegion);
-    /*
-    if (mold_part !=  "top") 
-        difference() { 
-            case(mold_base_height,true);
-            // Piston
-            down(piston_depth-OFFSET) fwd(20) bottomInsert(); 
-        }
-    // Top Mold
-    if (mold_part !=  "bottom") 
-        up(printable ? 0 : 60) fwd(printable ? fin_height+50 : 0) down(mold_base_height) mirror([0,0,printable ? 1 : 0 ])  {
-            difference() {
-                union() {
-                    // case
-                    case(mold_top_height,false); 
-                    // Piston
-                    mirror([1,0,0])        
-                    down(mold_top_height+piston_depth-OFFSET) fwd(20) topPiston(); 
-                };
-                resin_escape(40);
-            }
-        }      
-    */    
 }
 
+
+module support( part ) {
+    moldHeight = 10;
+    moldContour =  expandPath(profile,mold_extra_width);
+    if (part == "bottom") {
+        down( moldHeight ) 
+            linear_extrude (moldHeight) polygon(moldContour);  // bottom support
+    } else if (part == "top") {
+        //linear_extrude (moldHeight) polygon(moldContour);  // top support
+        linear_extrude (moldHeight) polygon(profile);  // top support
+    }
+}
+
+
 /**
  * Build the piston skirt 
  * 
@@ -424,6 +390,9 @@ module moldSkirt( part ){
     
     //if (part == "bottom") {
 
+    moldHeight = fin_thickness * 3;
+    
+    up (part=="top" ? moldHeight : 0 )
     skirt( finAndBoxProfile, side = part ,moldThickness = 3 , angle = skirt_angle, moldDeep = fin_thickness );
     //} else if (part == "top") {
         
@@ -540,6 +509,23 @@ module resin_escape(length) {
 function addBase(path) = concat(path,[[fin_base,-base_extra_thickness],[0,-base_extra_thickness]]);
 
 
+module partitionMask(inverse = false) {
+    up(10)
+    partition_mask(
+                    w=fin_height/2*1.5, 
+                    h=60,           // height
+                    l=fin_width*3, 
+                    cutpath="comb",
+                    spread=3,
+                    inverse=inverse,
+                    anchor=FRONT
+    );
+}
+
+
+
+
+
 /**
  * Draws a profile based on Bezier path points with optional debug visualization.
  * 

lib/finbox_us.scad

@@ -17,10 +17,6 @@ OFFSET=0.01;
  **/
 module boxProfileUS( length ,height=23, tabHeight = 8,tabLength = 20, backRounding = 8, backExtra = 10 ) {
 
-
-    echo ("------ height",height);
-    echo ("------ tabHeight",tabHeight);
-    echo ("------ height-tabHeight",height-tabHeight);    
     assert (height-tabHeight,"height-tabHeight should be bigger than 0");
    
     tabExtra = opp_ang_to_adj(height-tabHeight,45);
@@ -69,9 +65,9 @@ module usBoxMold( length, height=23, thickness = 9, moldThickness = 4,tabLength
     assert (length >0,"length should be bigger than 0");
 
     moldHeight = thickness + 2 * moldThickness;
+    
+    
     skirtHeight = 3 * thickness;
-    echo ("---skirtHeight",skirtHeight);
-    echo ("---part",part);
     deviation = opp_ang_to_adj (skirtHeight,skirtAngle);    // Skirt devitation
     
     baseInt = profileUS (length);
@@ -79,45 +75,15 @@ module usBoxMold( length, height=23, thickness = 9, moldThickness = 4,tabLength
     topInt  = offset(baseInt,delta=deviation                , chamfer=false, same_length=true );    
     topExt  = offset(baseInt,delta=deviation+moldThickness  , chamfer=false, same_length=true );
     
+    if ( part == "bottom") {
         union() {
             difference() {
                 // Mold
-            {
+                down (moldHeight/2) 
-                //if ( part == "bottom")
+                    linear_extrude(moldHeight)    
-                    
+                        offset(r= (part=="top" ? 0 :  moldThickness)) 
-                    down (moldHeight/2) linear_extrude(moldHeight)    
-                        offset(r=moldThickness) 
                             boxProfileUS( length, height );
                 
-                /*                        
-                if ( part == "top")
-                    
-                    down (moldHeight/2) linear_extrude(moldHeight)    
-                        offset(r=moldThickness) 
-                            boxProfileUS( length, height );                
-                 */           
-                if ( part == "top__"  ) {
-                    //baseInt = profileUS (length);
-                    //baseInt = profileUS (length);
-                    //topInt  = offset(baseInt,delta=-deviation,chamfer=false,same_length=true);
-                    baseInt2  = offset(baseInt,delta=-moldThickness,chamfer=false,same_length=true);
-                    topInt2  = offset(baseInt,delta=deviation-moldThickness,chamfer=false,same_length=true);
-                    
-                    difference(){
-                        skin([baseInt   , topInt    ],z=[0,skirtHeight],slices=0);
-                        skin([baseInt2  , topInt2   ],z=[thickness/2+moldThickness,skirtHeight+OFFSET],slices=0);
-                    }
-                    
-                    /*    
-                    down (moldHeight/2) linear_extrude(moldHeight)    
-                        offset(r=moldThickness) 
-                            boxProfileUS( length, height );                            
-                    */        
-                }                    
-            }        
-            
-            
-            // US Box to subtract
                 usBox(length,height,drill=false,color="Red");
 
                 // Mask Top  
@@ -125,30 +91,50 @@ module usBoxMold( length, height=23, thickness = 9, moldThickness = 4,tabLength
                     part == "bottom" ? 0 : 
                     part == "top"    ? moldHeight : 
                     100;        
+                debug = false    ;
+                    
+                if (!debug) 
                     down( verticalMask )
                     linear_extrude( moldHeight )    
                         offset( r = moldThickness*2 ) 
                             boxProfileUS( length, height );                    
                             
             }
-        
-        if ( part == "bottom"  ) {
             //topInt  = offset(baseInt,delta=deviation,chamfer=false,same_length=true);
             if (skirt) difference(){
                 skin([baseExt,topExt],z=[0,skirtHeight],slices=0);
                 skin([baseInt,topInt],z=[0,skirtHeight+OFFSET],slices=0);
             }
         }  
+    }   
+   
     if ( part == "top") { 
+        difference() {
+            // Top Mold
+            linear_extrude(  thickness/2+OFFSET+moldThickness /*moldHeight/2*/ )    
+                offset(r=-OFFSET)
+                    boxProfileUS( length, height );
+            // Box to subtract            
+            usBox(length,height,drill=false,color="Red");
             
         }                    
     }
     
 }
 
-//usBoxMold (130,part="bottom",skirt=false);
+if ( false ) {
+    // Bottom
+   down(0) back(0) usBoxMold( 130 ,part="bottom"  ,skirt=false );
+   // Top
+   down(-50) back(0) usBoxMold( 130  ,part="top"     ,skirt=false );
+
+   down(50) back(0) usBoxMold( 130  ,part="bottom"     ,skirt=true );
+   
+   
+   //down(0) back(0) usBox(130,height=23,drill=false,color="Green");
+}  
+
 
-//back (30) usBoxMold (130,part="top",skirt=false);
 
 
 module finBoxMold( length, finLength=-1, skirtAngle = 80, part="bottom", skirt = true) {
@@ -160,14 +146,6 @@ module finBoxMold( length, finLength=-1, skirtAngle = 80, part="bottom", skirt =
     
 }
 
-//test = profileUS (100);
-//test2 = offset(test,30);
-//region1 = 
-//region([test,test2]);
-//polygon(region1);
-
-
-
 module thickness_cut(thickness,height) {
     color("Orange")
     linear_extrude(thickness) 
@@ -180,14 +158,13 @@ module thickness_cut(thickness,height) {
 
 
 
+//usBoxMold (130,part="bottom",skirt=false);
 
-//boxProfileUS( length= 188);
+//back (30) usBoxMold (130,part="top",skirt=false);
 
-//usBox( 130,drill=false );
+//down(0) back(0) usBox(130,height=23,drill=false,color="Green");
-//usBoxMold( 130,part="top" );
 
 
  
-if (false )down(50) usBoxMold( 130,part="bottom",skirt=false );