tier-2-offset-handle-mug / o4-mini-2025-04-16

// マグカップ本体とハンドル
$fn = 100;

// パラメータ
outer_d = 80;
inner_d = 70;
height_body = 90;
thickness_bottom = 6;
handle_gap_w = 25;    // 指入れ幅
handle_gap_h = 30;    // 指入れ高さ
handle_th = 8;        // 取手肉厚
handle_zpos = (height_body - handle_gap_h) / 2;  // 取手の底面Z位置
handle_center_x = outer_d/2 + handle_gap_w + handle_th; // 半円中心X

union() {
  // 本体外側
  cylinder(d = outer_d, h = height_body);
  // 飲み物入る中空部 (底厚みを残して上部をくり抜き)
  translate([0, 0, thickness_bottom])
    cylinder(d = inner_d, h = height_body - thickness_bottom);

  // 取手（D字形、Z方向に厚みを持たせる）
  translate([0, 0, handle_zpos]) rotate([0, 0, 90])  // Z方向が高さ
    linear_extrude(height = handle_th) {
      // 2次元断面：半円と角矩形の交差でD字型
      intersection() {
        // 外側半円
        translate([handle_center_x, 0])
          circle(r = handle_th, $fn = 100);
        // 高さ制限
        translate([handle_center_x-handle_th, -handle_gap_h/2])
          square([handle_th*2, handle_gap_h]);
      }
    }
}

// mug with specified handle on +X side
outer_d = 80;
inner_d = 70;
height = 90;
bottom_thickness = 6;
opening_width = 25;
opening_height = 30;
handle_thickness = 15;
$fn = 100;

union() {
  // mug body
  difference() {
    cylinder(d = outer_d, h = height);
    translate([0, 0, bottom_thickness])
      cylinder(d = inner_d, h = height - bottom_thickness);
  }
  // handle
  translate([0, 0, height/2 - opening_height/2])
    linear_extrude(height = opening_height)
      union() {
        // flat side of D
        translate([outer_d/2 + opening_width, -handle_thickness])
          square([handle_thickness, 2*handle_thickness]);
        // semicircular outer side
        intersection() {
          translate([outer_d/2 + opening_width + handle_thickness, 0])
            circle(r = handle_thickness);
          translate([outer_d/2 + opening_width + handle_thickness/2, 0])
            square([handle_thickness, 2*handle_thickness], center = true);
        }
      }
}

// mug 本体パラメータ
outer_d = 80;
inner_d = 70;
height = 90;
bottom_t = 6;

// 取手パラメータ
handle_open_h = 30;    // 空間 高さ
handle_open_w = 25;    // 空間 幅
handle_wall   = 5;     // 取手肉厚
handle_depth  = 20;    // 取手奥行

// 計算
wall_t   = (outer_d - inner_d)/2;  // マグ肉厚 5
R_i      = handle_open_h/2;
rect_i   = handle_open_w - R_i;
T        = handle_wall;
R_o      = R_i + T;
rect_o   = rect_i + T;

// D字形状モジュール（半円＋直線）
module D_shape(r, rect_w) {
  union() {
    translate([0, -r]) square([rect_w, 2*r]);
    difference() {
      translate([rect_w, 0]) circle(r = r, $fn = 64);
      translate([-1000, -1000]) square([rect_w + 1000, 2000]);
    }
  }
}
// D字リング（外側D−内側D）
module D_ring() {
  difference() {
    D_shape(R_o, rect_o);
    translate([T, 0]) D_shape(R_i, rect_i);
  }
}
// 取手形状
module handle() {
  rotate([90, 0, 0])
    linear_extrude(height = handle_depth, center = true)
      D_ring();
}
// マグ本体
module mug() {
  difference() {
    cylinder(r = outer_d/2, h = height, $fn = 100);
    translate([0, 0, bottom_t])
      cylinder(r = inner_d/2, h = height - bottom_t, $fn = 100);
  }
}

// 結合
union() {
  mug();
  translate([outer_d/2, 0, height/2])
    handle();
}

// mug with D‐shaped handle on +X side
outer_d        = 80;   // outer diameter of mug
inner_d        = 70;   // inner diameter of mug
height         = 90;   // total mug height
bottom_thick   = 6;    // bottom thickness
open_w         = 25;   // finger‐hole width
open_h         = 30;   // finger‐hole height
h_thick        = 15;   // handle wall thickness (radius of outer arc)
$fn            = 100;  // resolution

module mug() {
  difference() {
    // outer shell
    cylinder(d = outer_d, h = height, $fn = $fn);
    // hollow interior
    translate([0,0,bottom_thick])
      cylinder(d = inner_d, h = height - bottom_thick, $fn = $fn);
  }
}

module handle2d() {
  // 2D profile of the D‐shape (in the X–Y plane)
  inner_x      = outer_d/2;           // flat‐face at mug outer
  arc_cx       = inner_x + open_w;    // center of semicircle
  union() {
    // rectangular segment from flat face to start of arc
    translate([inner_x, -h_thick])
      square([open_w, 2*h_thick], center = false);
    // outer semicircle (right half of a full circle)
    intersection() {
      translate([arc_cx, 0])
        circle(r = h_thick, $fn = $fn);
      // clip to x >= arc_cx (to keep only the right half)
      translate([arc_cx, -100])
        square([h_thick, 200], center = false);
    }
  }
}

module handle() {
  // place handle at mid‐height, extrude the 2D D‐profile by open_h
  translate([0, 0, height/2 - open_h/2])
    linear_extrude(height = open_h)
      handle2d();
}

union() {
  mug();
  handle();
}

// mug with D‐shaped handle on +X side
outer_d        = 80;   // outer diameter of mug
inner_d        = 70;   // inner diameter of mug
height         = 90;   // total mug height
bottom_thick   = 6;    // bottom thickness
open_w         = 25;   // finger‐hole width
open_h         = 30;   // finger‐hole height
h_thick        = open_h/2;  // half the hole height for D‐shape radius
$fn            = 100;  // resolution

module mug() {
  difference() {
    // outer shell
    cylinder(d = outer_d, h = height, $fn = $fn);
    // hollow interior
    translate([0, 0, bottom_thick])
      cylinder(d = inner_d, h = height - bottom_thick, $fn = $fn);
  }
}

module handle2d() {
  // 2D profile of the D‐shape (in the X–Y plane)
  inner_x      = outer_d/2;           // flat‐face at mug outer
  arc_cx       = inner_x + open_w;    // center of semicircle
  union() {
    // rectangular segment from flat face to start of arc
    translate([inner_x, -h_thick])
      square([open_w, 2*h_thick], center = false);
    // outer semicircle (right half of a full circle)
    intersection() {
      translate([arc_cx, 0])
        circle(r = h_thick, $fn = $fn);
      // clip to x >= arc_cx (to keep only the right half)
      translate([arc_cx, -100])
        square([h_thick, 200], center = false);
    }
  }
}

module handle() {
  // place handle at mid‐height, extrude the 2D D‐profile by open_h
  translate([0, 0, height/2 - open_h/2])
    linear_extrude(height = open_h)
      handle2d();
}

union() {
  mug();
  handle();
}

// mug with D‐shaped handle on +X side
outer_d        = 80;   // outer diameter of mug
inner_d        = 70;   // inner diameter of mug
height         = 90;   // total mug height
bottom_thick   = 6;    // bottom thickness
open_w         = 25;   // finger‐hole width
open_h         = 30;   // finger‐hole height
h_thick        = open_h/2;  // half the hole height for D‐shape radius
$fn            = 100;  // resolution

module mug() {
  difference() {
    // outer shell
    cylinder(d = outer_d, h = height, $fn = $fn);
    // hollow interior
    translate([0, 0, bottom_thick])
      cylinder(d = inner_d, h = height - bottom_thick, $fn = $fn);
  }
}

module handle2d() {
  // 2D profile of the D‐shape (in the X–Y plane)
  inner_x      = outer_d/2;           // flat‐face at mug outer
  arc_cx       = inner_x + open_w;    // center of semicircle
  union() {
    // rectangular segment from flat face to start of arc
    translate([inner_x, -h_thick])
      square([open_w, 2*h_thick], center = false);
    // outer semicircle (right half of a full circle)
    intersection() {
      translate([arc_cx, 0])
        circle(r = h_thick, $fn = $fn);
      // clip to x >= arc_cx (to keep only the right half)
      translate([arc_cx, -100])
        square([h_thick, 200], center = false);
    }
  }
}

module handle() {
  // place handle at mid‐height, extrude the 2D D‐profile by open_h
  translate([0, 0, height/2 - open_h/2])
    linear_extrude(height = open_h)
      handle2d();
}

union() {
  mug();
  handle();
}