c3cat_bottle_tag v1.1

c3cat-bottle-clip/c3cat-bottle-clip.scad

@@ -44,15 +44,21 @@ include <write/Write.scad>
  * font: the path to a font for Write.scad.
  */
 
-/* currently openscad fails to render `Ohren_4.stl` outside of the preview mode */
-//difference() {
-  rotate(45, [0, 0, 1]) bottle_clip(name="c3cat");
-//  translate([ 15, 0, 18]) rotate(80, [0, 1, 0]) catear();
-//  translate([-15, 0, 18]) rotate(-80, [0, 1, 0]) catear();
-//}
-//
-//translate([0,  5, 0]) catear();
-//rotate(180) translate([0,  5, 0]) catear();
+/**
+ * currently openscad fails to render the original `Ohren_4.stl` outside of the preview mode
+ * according to [the wiki](https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/FAQ#Why_is_my_imported_STL_file_appearing_with_F5_but_not_F6?) this is the stls fault
+ * using meshlab to run `Filters` -> `Cleaning and Repairing` -> `Remove T-Vertices` by `Edge-Flip` with `Ratio` of `1000000` before importing the stl works but but two errors remain.
+ */
+scale([0.2, 0.2, 0.2]) {
+  difference() {
+    scale([5, 5, 5]) rotate(45, [0, 0, 1]) bottle_clip(name="c3cat");
+    translate([ 15*5, 0*5, 18*5]) rotate(80, [0, 1, 0]) catear();
+    translate([-15*5, 0*5, 18*5]) rotate(-80, [0, 1, 0]) catear();
+  }
+
+  translate([0,  5*5, 0]) catear();
+  rotate(180) translate([0,  5*5, 0]) catear();
+}
 
 module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="c3cat", font="write/orbitron.dxf", logo="") {
 
@@ -116,8 +122,8 @@ module bottle_clip(ru=13, rl=17.5, ht=26, width=2.5, name="c3cat", font="write/o
 
 module catear() {
   rotate(-90, [0, 0, 1]) union() {
-    scale([0.2,  0.2, 0.2]) translate([0, -85]) import("catear.stl");
-    scale([0.2, -0.2, 0.2]) translate([0, -85]) import("catear.stl");
+    scale([1,  1 ,1]) translate([0, -85]) import("catear.stl");
+    scale([1, -1, 1]) translate([0, -85]) import("catear.stl");
   }
 }
 

catear_headband.scad

@@ -1,61 +1,75 @@
 include <headband.scad>
 
-module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretch_factor=1.2, debug=false) {
-    $A=[0, side_len/2];
-    $B=[0,-side_len/2];
-    $C=[-(side_len/2/sin(120))*1.5*stretch_factor, 0];
-    $c=sqrt(pow($A.x-$B.x, 2)+pow($A.y-$B.y, 2));
-    $b=sqrt(pow($A.x-$C.x, 2)+pow($A.y-$C.y, 2));
-    $a=sqrt(pow($C.x-$B.x, 2)+pow($C.y-$B.y, 2));
-    $hc=-$C.x;
-    $alpha=asin($hc/$b);
-    $beta=$alpha;
-    $gamma=180-$alpha-$beta;
-    $delta=180*bend_factor;
-    $bend_radius=$a/(2*cos(90-$delta/2));
-    $bend_offset=$bend_radius*sin(90-$delta/2);
+use <headband.scad>
 
-    translate([0, -$c/2, 0])
-      rotate($beta, [0, 0, 1])
-        translate([0, $a/2, 0])
-          translate([$bend_offset, 0, 0])
-            color("#00ffff") partial_ring(
-              part=$delta/360,
-              radius=$bend_radius,
-              thickness=thickness,
-              height=height
-            );
-    translate([0, $c/2, 0])
+module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretch_factor=1.2, debug=false, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
+  $A=[0, side_len/2];
+  $B=[0,-side_len/2];
+  $C=[-(side_len/2/sin(120))*1.5*stretch_factor, 0];
+  $c=sqrt(pow($A.x-$B.x, 2)+pow($A.y-$B.y, 2));
+  $b=sqrt(pow($A.x-$C.x, 2)+pow($A.y-$C.y, 2));
+  $a=sqrt(pow($C.x-$B.x, 2)+pow($C.y-$B.y, 2));
+  $hc=-$C.x;
+  $alpha=asin($hc/$b);
+  $beta=$alpha;
+  $gamma=180-$alpha-$beta;
+  $delta=180*bend_factor;
+  $bend_radius=$a/(2*cos(90-$delta/2));
+  $bend_offset=$bend_radius*sin(90-$delta/2);
+
+  translate([0, -$c/2, 0])
+    rotate($beta, [0, 0, 1])
+      translate([0, $a/2, 0])
+        translate([$bend_offset, 0, 0])
+          color("#00ffff")
+            chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape)
+              partial_ring(
+                part=$delta/360,
+                radius=$bend_radius,
+                thickness=thickness,
+                height=height
+              );
+  translate([0, $c/2, 0])
+    rotate(-$alpha, [0, 0, 1])
+      translate([0, -$b/2, 0])
+        translate([$bend_offset, 0, 0])
+          color("#ff00ff")
+            chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape)
+              partial_ring(
+                part=$delta/360,
+                radius=$bend_radius,
+                thickness=thickness,
+                height=height
+              );
+  translate($A) color("#aaaaaa") cylinder(h=height, d=thickness, center=true);
+  translate($B) color("#bbbbbb") cylinder(h=height, d=thickness, center=true);
+  translate($C) color("#cccccc")
+    chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape)
+      cylinder(h=height, d=thickness, center=true);
+
+  if (debug) {
+    echo("A", $A, "a", $a, "alpha", $alpha);
+    echo("B", $B, "b", $b, "beta ", $beta);
+    echo("C", $C, "c", $c, "gamma", $gamma);
+    echo("bend_factor", bend_factor);
+    echo("delta:", $delta);
+    echo("bend_radius", $bend_radius);
+    echo("bend_offset", $bend_offset);
+    color("#000000") cylinder(h=4, d=4);
+    translate($C/2) color("red") cube([$hc, thickness, height*1.1], center=true);
+    color("red") cube([thickness, $c, height*1.1], center=true);
+    color("red") translate([0, $c/2, 0])
       rotate(-$alpha, [0, 0, 1])
         translate([0, -$b/2, 0])
-          translate([$bend_offset, 0, 0])
-            color("#ff00ff") partial_ring(
-              part=$delta/360,
-              radius=$bend_radius,
-              thickness=thickness,
-              height=height
-            );
-    translate($A) color("#aaaaaa") cylinder(h=height, d=thickness, center=true);
-    translate($B) color("#bbbbbb") cylinder(h=height, d=thickness, center=true);
-    translate($C) color("#cccccc") cylinder(h=height, d=thickness, center=true);
-
-    if (debug) {
-      echo("A", $A, "a", $a, "alpha", $alpha);
-      echo("B", $B, "b", $b, "beta ", $beta);
-      echo("C", $C, "c", $c, "gamma", $gamma);
-      echo("bend_factor", bend_factor);
-      echo("delta:", $delta);
-      echo("bend_radius", $bend_radius);
-      echo("bend_offset", $bend_offset);
-      color("#000000") cylinder(h=4, d=4);
-      translate($C/2) color("red") cube([$hc, thickness, height*1.1], center=true);
-      color("red") cube([thickness, $c, height*1.1], center=true);
-      color("red")translate([0, $c/2, 0]) rotate(-$alpha, [0, 0, 1]) translate([0, -$b/2, 0])  cube([thickness,$b, height*1.1], center=true);
-      color("red")translate([0, -$c/2, 0]) rotate($beta, [0, 0, 1]) translate([0, $a/2, 0])  cube([thickness, $a, height*1.1], center=true);
-    }
+          cube([thickness,$b, height*1.1], center=true);
+    color("red") translate([0, -$c/2, 0])
+      rotate($beta, [0, 0, 1])
+        translate([0, $a/2, 0])
+          cube([thickness, $a, height*1.1], center=true);
+  }
 }
 
-module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42) {
+module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
 
   $a=size/2*ear_scale;
   $delta=2*(acos($a/(size*2))-90);
@@ -69,7 +83,9 @@ module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNES
         thickness=thickness,
         side_len=size/2*ear_scale,
         bend_factor=ear_bend_factor,
-        stretch_factor=ear_stretch_factor
+        stretch_factor=ear_stretch_factor,
+        chamfer=chamfer,
+        chamfer_shape=chamfer_shape
       );
     }
     rotate(-ear_angle, [0, 0, 1]) {
@@ -79,7 +95,9 @@ module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNES
         thickness=thickness,
         side_len=size/2*ear_scale,
         bend_factor=ear_bend_factor,
-        stretch_factor=ear_stretch_factor
+        stretch_factor=ear_stretch_factor,
+        chamfer=chamfer,
+        chamfer_shape=chamfer_shape
       );
     }
     headband(

foxear_headband.scad

@@ -1,7 +1,7 @@
 use <catear_headband.scad>
 include <headband.scad>
 
-module foxear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.2, ear_bend_factor=0.01, ear_stretch_factor=1.2, ear_angle=30) {
+module foxear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.2, ear_bend_factor=0.05, ear_stretch_factor=1.2, ear_angle=30) {
   catear_headband(
     debug=debug,
     size=size,

loveboard-cover-r2-cat.scad

@@ -0,0 +1,83 @@
+/**
+ * This requires
+ * https://files.printables.com/media/prints/451501/stls/4205518_58958bba-4c36-4995-b4e7-da5abd1ba821/loveboard-cover-r2.stl
+ * 
+ * to be placed under `./stls/LoveBoard-cover-R2.stl` in order to work
+ * but it needs a run in meshlabs uniform fcae orientation filter for
+ * openscad to be happy with it
+ * 
+ * if rendering is missing the ear infill, `Design` > `Flush Caches`
+ * may be required.
+ */
+ 
+include <headband.scad>
+use <catear_headband.scad>
+
+HEIGHT=11;
+THICKNESS=1;
+SIDE_LEN=20;
+BEND_FACTOR=0.15;
+STRETCH_FACTOR=1.2;
+CHAMFER=0;
+CHAMFER_SHAPE="none";
+DEBUG=false;
+
+FILL=true;
+FILL_HEIGHT_FACTOR=0.9;
+FILL_HEIGHT_FALLOFF_STEP=0;
+FILL_HEIGHT_FALLOFF_FACTOR=0.98;
+FILL_HEIGHT_FALLOFF_EXPONENT_FACTOR=3;
+FILL_STEP=0.5;
+
+module loveboard_cover_r2_cat() {
+  $fn=90;
+  union() {
+    difference() {
+      union() {
+        for (i=[-1,1])
+          scale([i, 1, 1]) 
+            translate([-23, 23, 5.5])
+              rotate(-65) {
+                catear(
+                  height=HEIGHT,
+                  thickness=THICKNESS,
+                  side_len=SIDE_LEN,
+                  bend_factor=BEND_FACTOR,
+                  stretch_factor=STRETCH_FACTOR,
+                  debug=DEBUG,
+                  chamfer=CHAMFER,
+                  chamfer_shape=CHAMFER_SHAPE
+                );
+                if (FILL) {
+                  echo("BEGIN FILL");
+                  for (i=[FILL_STEP:FILL_STEP:(SIDE_LEN-FILL_STEP)])
+                    color([0, (256-i*8)/256,0]) {
+                      fill_height=(
+                        HEIGHT * FILL_HEIGHT_FACTOR
+                      * pow(FILL_HEIGHT_FALLOFF_FACTOR,
+                          (SIDE_LEN-1-i)*FILL_HEIGHT_FALLOFF_EXPONENT_FACTOR)
+                      - ((SIDE_LEN-1-i)*FILL_HEIGHT_FALLOFF_STEP)
+                      );
+                      echo([i, fill_height]);
+                      translate([0, 0, (fill_height-HEIGHT)/2])
+                      catear(
+                        height=fill_height,
+                        thickness=THICKNESS,
+                        side_len=i,
+                        bend_factor=BEND_FACTOR,
+                        stretch_factor=STRETCH_FACTOR,
+                        chamfer=0,
+                        chamfer_shape=CHAMFER_SHAPE
+                      );
+                    }
+                  echo("END FILL");
+                }
+              }
+      }
+      scale(0.9999) hull() import("stls/LoveBoard-cover-R2.stl");
+    }
+    color("red") import("stls/LoveBoard-cover-R2.stl");
+  }
+}
+
+loveboard_cover_r2_cat();