v0.2

functions.scad

@@ -0,0 +1,14 @@
+
+function to_cardinal_2d(a, d) = [
+	d * sin(a),
+	d * cos(a)
+];
+function move_polar_2d(p, angle, dist) = to_cardinal_2d(angle, dist) + p;
+function line_len_2d(p) = sqrt(p[0]*p[0] + p[1]*p[1]);
+function line_len_3d(p) = sqrt(p[0]*p[0] + p[1]*p[1] + p[2]*p[2]);
+function angle_2d(p) = atan2(p[0], p[1]);
+
+function _tangent_single_angle_2d(to, r, other_side) =  angle_2d(to) + ((other_side) ? -1 : 1)*acos(r / line_len_2d(to));
+function tangent_single_2d(to, r, center, other_side=false) = 
+	move_polar_2d(center, _tangent_single_angle_2d(to - center, r, other_side), r);
+

heat_set_inserts.scad

@@ -0,0 +1,295 @@
+
+heat_set_insert_lables     = [ "M2", "M2.5",      "M3", "M3_VORON",      "M4",      "M5",   "M6",   "M8",  "M10"];
+heat_set_insert_hole_d     = [  3.2,    4.0,       4.0,        4.4,       7.5,       6.5,    8.1,    9.7,     12];
+heat_set_insert_wall_w     = [  1.3,    1.6,       1.6,        1.6,       3.1,       2.6,    3.3,    4.5,      6];
+heat_set_insert_hole_depth = [[3.0],  [4.0], [5.7,3.0],      [4.4], [8.1,4.0], [9.5,5.8], [12.7], [12.7], [12.7]];
+
+// M2:
+// - L=3.0, D3=3.2, w=1.3
+// M2.5:
+// - L=4.0, D3=4.0, w=1.6
+// M3:
+// - L=5.7, D3=4.0, w=1.6
+// - L=3.0, D3=4.0, w=1.6
+// M3_VORON:
+// - L=4.4, D3=4.4, w=1.6
+// M4:
+// - L=8.1, D3=5.7, w=2.1
+// - L=4.0, D3=5.7, w=2.1
+// M5:
+// - L=9.5, D3=6.5, w=2.6
+// - L=5.8, D3=6.5, w=2.6
+// M6:
+// - L=12.7, D3=8.1, w=3.3
+// M8:
+// - L=12.7, D3=9.7, w=4.5
+// M10:
+// - L=12.7, D3=12, w=6
+
+
+function heatSetInsert_get_sizes(lable) = [
+	heat_set_insert_hole_d[search(lable, heat_set_insert_lables)],
+	heat_set_insert_wall_w[search(lable, heat_set_insert_lables)],
+	heat_set_insert_hole_depth[search(lable, heat_set_insert_lables)]
+];
+
+module heatSetInsert_wall(lable="", depth=0, d=-1, r=-1, w=-1)
+{
+	depths = [];
+	if (lable != "")
+	{
+		id = search(lable, heat_set_inserts_lables);
+		if (id < 0)
+			error(str("heatSetInsert_wall(): could not find lable '", lable, "'"));
+		d = (d==-1) ? heat_set_insert_hole_d[id] : d;
+		w = (w==-1) ? heat_set_insert_wall_w[id] : w;
+		depths = heat_set_insert_hole_depth[id];
+	}
+	r = (r==-1) ? d/2 : r;
+	if (r < 0)
+	{
+		error("heatSetInsert_wall(): either lable, r or d has to be set");
+	}
+	else
+	{
+		if (len(depths) == 0)
+		{
+			if (depth <= 1)
+			{
+				error("heatSetInsert_wall(): either layer or depth has to be set");
+			}
+		}
+		else
+		{
+			depth = (depth<=0) ? depths[round(depth)] : depth;
+		}
+
+		difference() {
+			cylinder(h = L+1, r = D3/2+w);
+			cylinder(h = L+1, r = D3/2);
+		}
+	}
+}
+
+module heatSetInsert_2d_wall(D3, L, w)
+{
+	difference() {
+		circle(r = D3/2+w);
+		circle(r = D3/2);
+	}
+}
+
+module heatSetInsert_hole(D3, L, w)
+{
+	cylinder(h = L+1, r = D3/2);
+}
+
+module heatSetInsert_hole_2d(D3, L, w)
+{
+	circle(r = D3/2);
+}
+
+// M2
+
+module heatSetInsert_wall_2d_M2()
+{
+	heatSetInsert_wall_2d(L=3.0, D3=3.2, w=1.3);
+}
+module heatSetInsert_hole_2d_M2()
+{
+	heatSetInsert_hole_2d(L=3.0, D3=3.2, w=1.3);
+}
+
+module heatSetInsert_wall_M2x2()
+{
+	heatSetInsert_wall(L=3.0, D3=3.2, w=1.3);
+}
+module heatSetInsert_hole_M2x2()
+{
+	heatSetInsert_hole(L=3.0, D3=3.2, w=1.3);
+}
+
+// M2.5
+
+module heatSetInsert_wall_2d_M2_5x4()
+{
+	heatSetInsert_wall_2d(L=4.0, D3=4.0, w=1.6);
+}
+module heatSetInsert_hole_2d_M2_5x4()
+{
+	heatSetInsert_hole_2d(L=4.0, D3=4.0, w=1.6);
+}
+
+module heatSetInsert_wall_M2_5x4()
+{
+	heatSetInsert_wall(L=4.0, D3=4.0, w=1.6);
+}
+module heatSetInsert_hole_M2_5x4()
+{
+	heatSetInsert_hole(L=4.0, D3=4.0, w=1.6);
+}
+
+// M3
+
+module heatSetInsert_wall_2d_M3()
+{
+	heatSetInsert_wall_2d(L=5.7, D3=4.0, w=1.6);
+}
+module heatSetInsert_hole_2d_M3()
+{
+	heatSetInsert_hole_2d(L=5.7, D3=4.0, w=1.6);
+}
+
+module heatSetInsert_wall_M3x5_7()
+{
+	heatSetInsert_wall(L=5.7, D3=4.0, w=1.6);
+}
+module heatSetInsert_hole_M3x5_7()
+{
+	heatSetInsert_hole(L=5.7, D3=4.0, w=1.6);
+}
+
+module heatSetInsert_wall_M3x3()
+{
+	heatSetInsert_wall(L=3.0, D3=4.0, w=1.6);
+}
+module heatSetInsert_hole_M3x3()
+{
+	heatSetInsert_hole(L=3.0, D3=4.0, w=1.6);
+}
+
+module heatSetInsert_wall_M3x5x4_voron()
+{
+	heatSetInsert_wall(L=4.4, D3=4.4, w=1.6);
+}
+module heatSetInsert_wall_2d_M3x5x4_voron()
+{
+	heatSetInsert_wall_2d(L=4.4, D3=4.4, w=1.6);
+}
+module heatSetInsert_hole_M3x5x4_voron()
+{
+	heatSetInsert_hole(L=4.4, D3=4.4, w=1.6);
+}
+module heatSetInsert_hole_2d_M3x5x4_voron()
+{
+	heatSetInsert_hole_2d(L=4.4, D3=4.4, w=1.6);
+}
+
+// M4
+
+module heatSetInsert_wall_2d_M4()
+{
+	heatSetInsert_wall_2d(L=8.1, D3=5.7, w=2.1);
+}
+module heatSetInsert_hole_2d_M4()
+{
+	heatSetInsert_hole_2d(L=8.1, D3=5.7, w=2.1);
+}
+
+module heatSetInsert_wall_M4x8_1()
+{
+	heatSetInsert_wall(L=8.1, D3=5.7, w=2.1);
+}
+module heatSetInsert_hole_M4x8_1()
+{
+	heatSetInsert_hole(L=8.1, D3=5.7, w=2.1);
+}
+
+module heatSetInsert_wall_M4x4()
+{
+	heatSetInsert_wall(L=4.0, D3=5.7, w=2.1);
+}
+module heatSetInsert_hole_M4x4()
+{
+	heatSetInsert_hole(L=4.0, D3=5.7, w=2.1);
+}
+
+// M5
+
+module heatSetInsert_wall_2d_M5()
+{
+	heatSetInsert_wall_2d(L=9.5, D3=6.5, w=2.6);
+}
+module heatSetInsert_hole_2d_M5()
+{
+	heatSetInsert_hole_2d(L=9.5, D3=6.5, w=2.6);
+}
+
+module heatSetInsert_wall_M5x9_5()
+{
+	heatSetInsert_wall(L=9.5, D3=6.5, w=2.6);
+}
+module heatSetInsert_hole_M5x9_5()
+{
+	heatSetInsert_hole(L=9.5, D3=6.5, w=2.6);
+}
+
+module heatSetInsert_wall_M5x5_8()
+{
+	heatSetInsert_wall(L=5.8, D3=6.5, w=2.6);
+}
+module heatSetInsert_hole_M5x5_8()
+{
+	heatSetInsert_hole(L=5.8, D3=6.5, w=2.6);
+}
+
+// M6
+
+module heatSetInsert_wall_2d_M6()
+{
+	heatSetInsert_wall_2d(L=12.7, D3=8.1, w=3.3);
+}
+module heatSetInsert_hole_2d_M6()
+{
+	heatSetInsert_hole_2d(L=12.7, D3=8.1, w=3.3);
+}
+
+module heatSetInsert_wall_M6x12_7()
+{
+	heatSetInsert_wall(L=12.7, D3=8.1, w=3.3);
+}
+module heatSetInsert_hole_M6x12_7()
+{
+	heatSetInsert_hole(L=12.7, D3=8.1, w=3.3);
+}
+
+// M8
+
+module heatSetInsert_wall_2d_M8x12_7()
+{
+	heatSetInsert_wall_2d(L=12.7, D3=9.7, w=4.5);
+}
+module heatSetInsert_hole_2d_M8x12_7()
+{
+	heatSetInsert_hole_2d(L=12.7, D3=9.7, w=4.5);
+}
+
+module heatSetInsert_wall_M8x12_7()
+{
+	heatSetInsert_wall(L=12.7, D3=9.7, w=4.5);
+}
+module heatSetInsert_hole_M8x12_7()
+{
+	heatSetInsert_hole(L=12.7, D3=9.7, w=4.5);
+}
+
+// M10
+
+module heatSetInsert_wall_2d_M10x12_7()
+{
+	heatSetInsert_wall_2d(L=12.7, D3=12, w=6);
+}
+module heatSetInsert_hole_2d_M10x12_7()
+{
+	heatSetInsert_hole_2d(L=12.7, D3=12, w=6);
+}
+
+module heatSetInsert_wall_M10x12_7()
+{
+	heatSetInsert_wall(L=12.7, D3=12, w=6);
+}
+module heatSetInsert_hole_M10x12_7()
+{
+	heatSetInsert_hole(L=12.7, D3=12, w=6);
+}
+

skirt.scad

@@ -1,4 +1,4 @@
-PLOT = "ALL"; // [ALL,FLAP_A,FLAP_B,FLAP_C,SPIKE_A,SPIKE_B,SPIKE_C,SPIKE_D,SKULL]
+PLOT = "ALL"; // [ALL,FLAPS,FLAP_A,FLAP_B,FLAP_C,SPIKES,SPIKE_A,SPIKE_B,SPIKE_C,SPIKE_D,SKULL]
 MODE = "PREVIW"; // [PREVIW,PLOT]
 
 // $fs = (MODE == "PLOT") ? 0.01 : 1;
@@ -21,6 +21,7 @@ SKIRT_FLAP_SPIKE_SEPERATION = SKIRT_FLAP_LENTH/(SKIRT_FLAP_SPIKE_NUM+1);
 SPIKE_STEP_COUNT = (MODE == "PLOT") ? 25 : 5;
 
 include <perlin_noise.scad>
+include <heat_set_inserts.scad>
 
 // =================================================
 // === flap ========================================
@@ -42,9 +43,9 @@ module skirt_flap_part(endpart, count = 1) {
             translate([SKIRT_FLAP_SPIKE_SEPERATION, 0])
                 cylinder(h = 1, r1 = 15, r2 = 7);
         }
-        cylinder(h = 100, d = 3.1);
+        cylinder(h = 100, d = 3.2);
         translate([SKIRT_FLAP_SPIKE_SEPERATION, 0])
-            cylinder(h = 100, d = 3.1);
+            cylinder(h = 100, d = 3.2);
     }
 }
 
@@ -80,27 +81,42 @@ function addl(list, l, c = 0) = c < l ? list[c] + addl(list, l, c + 1) : list[c]
 
 module spike(size, f_d, f_sx, f_sy, step)
 {
-    multmatrix(m = [
-        [size[0],       0,       0, 0],
-        [      0, size[1],       0, 0],
-        [      0,       0, size[2], 0],
-        [      0,       0,       0, 1]
-    ])
-    rotate([0, 0, -90])
     union() {
-        for (pos = [0:step:1.5]) {
-            i = round(pos/step);
-            move_x = (i == 0) ? 0 : addl(f_sx, i-1) * step;
-            move_y = (i == 0) ? 0 : addl(f_sy, i-1) * step;
-            if (f_d[i] >= 0)
-            translate([move_x, move_y, pos])
-            multmatrix(m = [
-                [1, 0, f_sx[i], 0],
-                [0, 1, f_sy[i], 0],
-                [0, 0,       1, 0],
-                [0, 0,       0, 1],
-            ]) 
-                cylinder(h = step, r1 = f_d[i], r2 = f_d[i+1]);
+        rotate([0, 0, -90])
+        difference() {
+            union() {
+                scale(size)
+                for (pos = [0:step:1.5]) {
+                    i = round(pos/step);
+                    move_x = (i == 0) ? 0 : addl(f_sx, i-1) * step;
+                    move_y = (i == 0) ? 0 : addl(f_sy, i-1) * step;
+                    if (f_d[i] >= 0)
+                    translate([move_x, move_y, pos])
+                    multmatrix(m = [
+                        [1, 0, f_sx[i], 0],
+                        [0, 1, f_sy[i], 0],
+                        [0, 0,       1, 0],
+                        [0, 0,       0, 1],
+                    ]) 
+                        cylinder(h = step, r1 = f_d[i], r2 = f_d[i+1]);
+                }
+            }
+            // cavaty for fabric
+            translate([0, 0, -0.01]) // remove z bending
+            difference() {
+                scale(size)
+                    cylinder(h = 0.1, r = .85);
+                cylinder(h = 0.5*size[2], r1 = 7, r2 = 7+0.4*size[2]);
+            }
+
+            // screw hole
+            translate([0, 0, -0.01]) { // remove z bending
+                // heatSetInsert_hole_M3x5_7();
+                cylinder(h = 6.7, d = 4.0);
+                translate([0, 0, 6.699])
+                    cylinder(h = 0.8, r1 = 2.0, r2 = 1.6);
+                cylinder(h = 13, d = 3.2);
+            }
         }
     }
 }
@@ -119,15 +135,15 @@ module spike_noisy(size) {
         // [1, 1, 1],
         [ for (i = [0:STEP:1.5]) point_r_fn(i) + noise[0][round(i*STEP)]*0.2 ],
         [ for (i = [0:STEP:1.5]) point_sheer_x_fn(i) + noise[1][round(i*STEP)]*0.2 ],
-        [ for (i = [0:STEP:1.5]) point_sheer_y_fn(i) + noise[2][round(i*STEP)]*0.2 ],
+        [ for (i = [0:STEP:1.5]) point_sheer_y_fn(i) * (noise[2][round(i*STEP)]*4-2) ],
         STEP
     );
 }
 
 module spike_a() { spike_noisy([20, 20, 50]); }
-module spike_b() { spike_noisy([15, 15, 50]*0.85); }
-module spike_c() { spike_noisy([20, 20, 50]*0.7); }
-module spike_d() { spike_noisy([20, 20, 50]*0.55); }
+module spike_b() { spike_noisy([17.5, 17.5, 43]); }
+module spike_c() { spike_noisy([16, 16, 38]); }
+module spike_d() { spike_noisy([14, 14, 35]); }
 
 module spike_full() {
     spike_a();
@@ -219,11 +235,16 @@ module skull_a()
 // === plot ========================================
 // =================================================
 
-if (PLOT == "ALL") {
+if (PLOT == "ALL")
+{
     rotate([180, 0, 0])
         flap_full();
     spike_full();
 }
+else if (PLOT == "FLAPS")
+{
+    flap_full();
+}
 else if (PLOT == "FLAP_A")
 {
     flap_a();
@@ -236,6 +257,10 @@ else if (PLOT == "FLAP_C")
 {
     flap_c();
 }
+else if (PLOT == "SPIKES")
+{
+    spike_full();
+}
 else if (PLOT == "SPIKE_A")
 {
     spike_a();