Initial commit

planter.scad

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+// Diameter of the inside cylinder
+diameter = 63;
+// Height of the inside cyliner
+height = 40;
+// Number of cuts / ridges around the planter
+cuts = 20;
+// Depth of the cuts / ridges around the planter
+cut_depth = 3;
+// Thickness of the wall of the planter
+thickness = 3;
+// Roundness of the bottom, where 0 is a straight flat bottom, and 100 is a sphere bottom
+bottom_roundness_percent = 85;
+// Optional wall mount plate, 0 is no plate and 100 makes the planter a half-circle
+wall_mount_percent = 30;
+
+module _end_of_customizer() {}
+
+$fn = $preview ? 20 : 60;
+
+$fs = $preview ? 1 : 0.1;
+
+// The bottom half of a sphere
+module half_sphere(d) {
+    difference() {
+        sphere(d = d);
+
+        translate([-d/2 - 1, -d/2 - 1, 0])
+        cube([d + 2, d + 2, d + 1]);
+    }
+}
+
+// The body, a full cylinder with ridges
+//
+// Its diameter is calculated from `diameter` (for the hollow inside), `thickness`, and `cut_depth`.
+module body(h, fn = 20) {
+    outer_diameter = diameter + thickness * 2;
+
+    function diam(x) = 1 + cut_depth / outer_diameter * 2 * sin(x * 180) ^ 3;
+
+    for(cut = [0:cuts - 1]) {
+        for(i = [0:fn - 1]) {
+            angle1 = 360 / cuts / fn * (cut * fn + i);
+            angle2 = 360 / cuts / fn * (cut * fn + i + 1);
+
+            vary1 = diam(i / fn);
+            vary2 = diam((i + 1) / fn);
+
+            linear_extrude(h)
+            polygon([
+                [0, 0],
+                [vary1 * outer_diameter / 2 * cos(angle1),
+                 vary1 * outer_diameter / 2 * sin(angle1)],
+                [vary2 * outer_diameter / 2 * cos(angle2),
+                 vary2 * outer_diameter / 2 * sin(angle2)],
+            ]);
+        }
+    }
+}
+
+// The bottom part of the vase, which is sphere-like with ridges and a flat bottom
+//
+// The bottom is controlled by `bottom_roundness_percent` (0 = no roundness at all, 100 = no flat bottom at all)
+module bottom() {
+    full_diameter = (diameter + thickness * 2) + cut_depth * 2;
+
+    intersection() {
+        translate([0, 0, -full_diameter / 2 * bottom_roundness_percent / 100])
+        body(full_diameter / 2 * bottom_roundness_percent / 100);
+
+        half_sphere(d = full_diameter);
+    }
+}
+
+// The planter
+//
+// body with cylinder cut out (`diameter`) and bottom part
+module planter() {
+    difference() {
+        body(height);
+
+        translate([0, 0, -1])
+        cylinder(d = diameter, h = height + 2);
+
+        scale([1, 1, 0.2])
+        half_sphere(d = diameter);
+    }
+
+    bottom();
+}
+
+// Planter with optional wall mount plate
+//
+// If `wall_mount_percent` is 0, no plate, if 100, the planter is a half circle
+if(wall_mount_percent > 0) {
+    full_diameter = (diameter + thickness * 2) + cut_depth * 2;
+
+    wall_x = full_diameter / 2 * (1 - wall_mount_percent / 100);
+
+    wall_depth = full_diameter * sqrt(1 - (1 - wall_mount_percent / 100)^2);
+
+    difference() {
+        planter();
+        translate([-wall_x - full_diameter, -wall_depth / 2, -full_diameter - 1])
+        cube([full_diameter, wall_depth, height + full_diameter + 2]);
+    }
+
+    translate([-wall_x, -wall_depth / 2, 0])
+    cube([thickness, wall_depth, height]);
+} else {
+    planter();
+}