initial lamp commit

insert.scad

@@ -0,0 +1,68 @@
+// Insert for table lamp
+
+
+$fn = $preview? 12 : 128;
+
+// Input Values
+led_ring_dia = 75;
+led_ring_height = 10;
+led_arc = 185;
+led_width = 11;
+led_length = 110;
+led_mount_thickness = 3;
+pedestal_insert_width = 99.5;
+pedestal_insert_height = 10;
+pedestal_base_width = 120;
+pedestal_base_height = 10;
+dimple_radius=2;
+
+// Calculated Values
+led_arc_angle_rad = (led_length/led_arc);
+led_arc_angle_deg = led_arc_angle_rad * (180/PI);
+led_arc_angle = led_arc_angle_deg;
+
+module led_mount() {
+    rotate([90,0,0])
+        translate([led_ring_dia/2-led_arc, led_ring_height, -led_width/2])
+            linear_extrude(height=led_width)
+                intersection() {
+                    difference() {
+                        circle(r=led_arc);
+                        circle(r=led_arc-led_mount_thickness);
+                    }
+                    polygon([
+                        [0,0],
+                        [2*led_arc,0],
+                        [2*led_arc*cos(led_arc_angle), 2*led_arc*sin(led_arc_angle)],
+                    ]);
+                }
+
+};
+
+/* for (i = [1:4]) { */
+/*     rotate([0,0,i*90+45]) */
+/*       led_mount(); */
+/* } */
+difference() { 
+    union() {
+        cylinder(h=pedestal_insert_height,d=pedestal_insert_width);
+        translate([0,0,-10])
+            cylinder(h=pedestal_base_height,d=pedestal_base_width);
+    }
+    rotate([0,5,0])
+        translate([20,-6.25,0])
+            cube([100,12.5,20]);
+}
+
+module mirror_copy(vector) {
+    children();
+    mirror(vector)
+    children();
+};
+
+mirror_copy([0,1,0])
+    translate([0, (pedestal_insert_width/2)-dimple_radius/2, pedestal_insert_height-dimple_radius])
+        #sphere(r=dimple_radius);
+rotate([0,0,90])
+    translate([0, (pedestal_insert_width/2)-dimple_radius/2, pedestal_insert_height-dimple_radius])
+        #sphere(r=dimple_radius);

swirl.scad

@@ -0,0 +1,64 @@
+
+// Lampshade 
+
+
+$fn=128;
+
+function f(z) = 0.25 + .1 * sin(1.5 * z) + .05 * cos(1.9 * z);
+
+vase_height = 170;
+vase_radius = 200;
+step = 1;
+twist = 1.4;
+
+sh3_nodes = 4;
+
+
+
+//sh3 = [0,30,60,90,120,180,210,240,270,300,330,360]; // polygon being extruded
+sh3 = [ for (i = [1:sh3_nodes]) i*(360/sh3_nodes) ];
+
+
+p = [
+    for (z = [0:step:vase_height], angle = sh3) [
+        vase_radius*cos(angle+twist*z)*f(z),
+        vase_radius*sin(angle+twist*z)*f(z),
+        z
+    ]
+];
+
+
+module shape(p,m,n) {
+    fcs = [for (j = [1:m], i = [0:n-2])[(n*j)+i,(n*j)+1+i,(n*(j-1))+i+1,(n*(j-1))+i]];
+
+    top = [for (i = [n*m:(n*m)+n-1]) i]; //connect points to create the top face
+
+    bottom = [for (i = [0:n-1]) i]; //connect points to create the bottom
+
+    stitches = [for (j = [0:m-1]) [j*n,((j+1)*n)-1,(((j+2)*n)-1),(j+1)*n]]; //connect points between the first and the last face per row
+
+    //now connect all
+    //reverse is used to reverse normal of top face
+    fcsc = concat([bottom],fcs,stitches,[reverse(top)]); //concatenate the bottom, body and top
+
+    color("blue") polyhedron(points=p, faces=fcsc);
+}
+
+function reverse(lt) = [for(i = len(lt) - 1; i > -1; i = i - 1) lt[i]];
+
+m = floor(vase_height/step); //numbers of rows of the matrix
+n = len(sh3); //number of columns in the matrix
+
+
+for ( i = [0 : 23] ) {
+    rotate([0,0,15*i])
+    shape(p,m,n);
+};
+
+
+mirror([1,0,0])
+for ( i = [0 : 23] ) {
+    rotate([0,0,15*i])
+    shape(p,m,n);
+};
+

teardrop.scad

@@ -0,0 +1,64 @@
+
+// Lampshade 
+
+
+$fn=128;
+
+function f(z) = 0.15 + .1 * sin(1.5 * z) + .06 * cos(1 * z);
+
+vase_height = 160;
+vase_radius = 200;
+step = 1;
+twist = 1.4;
+
+sh3_nodes = 4;
+
+
+
+//sh3 = [0,30,60,90,120,180,210,240,270,300,330,360]; // polygon being extruded
+sh3 = [ for (i = [1:sh3_nodes]) i*(360/sh3_nodes) ];
+
+
+p = [
+    for (z = [0:step:vase_height], angle = sh3) [
+        vase_radius*cos(angle+twist*z)*f(z),
+        vase_radius*sin(angle+twist*z)*f(z),
+        z
+    ]
+];
+
+
+module shape(p,m,n) {
+    fcs = [for (j = [1:m], i = [0:n-2])[(n*j)+i,(n*j)+1+i,(n*(j-1))+i+1,(n*(j-1))+i]];
+
+    top = [for (i = [n*m:(n*m)+n-1]) i]; //connect points to create the top face
+
+    bottom = [for (i = [0:n-1]) i]; //connect points to create the bottom
+
+    stitches = [for (j = [0:m-1]) [j*n,((j+1)*n)-1,(((j+2)*n)-1),(j+1)*n]]; //connect points between the first and the last face per row
+
+    //now connect all
+    //reverse is used to reverse normal of top face
+    fcsc = concat([bottom],fcs,stitches,[reverse(top)]); //concatenate the bottom, body and top
+
+    color("blue") polyhedron(points=p, faces=fcsc);
+}
+
+function reverse(lt) = [for(i = len(lt) - 1; i > -1; i = i - 1) lt[i]];
+
+m = floor(vase_height/step); //numbers of rows of the matrix
+n = len(sh3); //number of columns in the matrix
+
+
+for ( i = [0 : 23] ) {
+    rotate([0,0,15*i])
+    shape(p,m,n);
+};
+
+
+mirror([1,0,0])
+for ( i = [0 : 23] ) {
+    rotate([0,0,15*i])
+    shape(p,m,n);
+};
+