first commit

2026-07-22 13:48:46 +08:00
commit c87751c3dc
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+include <BOSL2/std.scad>
+include <BOSL2/threading.scad>
+
+/* [Jar Dimensions] */
+jar_diameter = 60;       // [20:1:100]
+jar_height = 70;         // [20:1:200]
+wall_thickness = 2.5;    // [1:0.1:5]
+
+/* [Neck and Threading] */
+neck_diameter = 55;      // [20:1:100]
+neck_height = 15;        // [5:1:30]
+thread_pitch = 3;        // [1:0.5:5]
+lid_clearance = 0.5;     // [0:0.1:2]
+
+/* [Colors] */
+jar_color = "LightSkyBlue";
+lid_color = "SteelBlue";
+
+$fn = 64;
+
+shoulder_height = 5;
+body_height = jar_height - neck_height - shoulder_height;
+
+// Position jar
+translate([-35, 0, 0])
+color(jar_color)
+difference() {
+    // Solid exterior
+    union() {
+        // Body
+        cylinder(d=jar_diameter, h=body_height);
+        // Shoulder
+        translate([0, 0, body_height])
+        cylinder(d1=jar_diameter, d2=neck_diameter, h=shoulder_height);
+        // Neck
+        translate([0, 0, body_height + shoulder_height])
+        threaded_rod(d=neck_diameter, l=neck_height, pitch=thread_pitch, anchor=BOTTOM);
+    }
+    
+    // Hollow interior
+    union() {
+        // Body interior
+        translate([0, 0, wall_thickness])
+        cylinder(d=jar_diameter - 2 * wall_thickness, h=body_height - wall_thickness + 0.01);
+        
+        // Shoulder interior
+        translate([0, 0, body_height])
+        cylinder(d1=jar_diameter - 2 * wall_thickness, d2=neck_diameter - 2 * wall_thickness, h=shoulder_height + 0.01);
+        
+        // Neck interior
+        translate([0, 0, body_height + shoulder_height])
+        cylinder(d=neck_diameter - 2 * wall_thickness, h=neck_height + 1);
+    }
+}
+
+// Position lid beside the jar, upside down to show internal threads
+translate([35, 0, neck_height + wall_thickness])
+rotate([180, 0, 0])
+color(lid_color)
+difference() {
+    lid_outer_d = neck_diameter + 2 * wall_thickness + 2 * lid_clearance + 2;
+    
+    // Lid exterior with grips
+    difference() {
+        cylinder(d=lid_outer_d, h=neck_height + wall_thickness);
+        
+        // Grips
+        for (i = [0 : 15 : 359]) {
+            rotate([0, 0, i])
+            translate([lid_outer_d/2, 0, -1])
+            cylinder(r=1.5, h=neck_height + wall_thickness + 2, $fn=16);
+        }
+    }
+    
+    // Internal threads cutout
+    translate([0, 0, -0.1])
+    threaded_rod(d=neck_diameter + lid_clearance, l=neck_height + 0.2, pitch=thread_pitch, anchor=BOTTOM, internal=true);
+}