Pen Holder (Openwork)

使用OpenSCAD做的 代码如下：欢迎二次开发$fn = 6;// ==== 参数 ====height = 100;radius = 40;wall_thickness = 3;hex_radius = 6; // 更大孔rows = 5;columns = 18;// ==== 主体结构 ====difference() { // 外壳 cylinder(h = height, r = radius + wall_thickness, $fn = 150); // 内腔 translate([0, 0, 2]) cylinder(h = height, r = radius, $fn = 150); // 镂空蜂窝花纹（更稳固） for (i = [0 : columns - 1]) for (j = [1 : rows]) { // 从第1行开始，保留底部强度 z = j * (height / (rows + 2)) + 2; // 上下留边 angle = 360 / columns * i; rotate([0, 0, angle]) translate([radius + wall_thickness - hex_radius, 0, z]) rotate([0, 90, 0]) linear_extrude(height = wall_thickness * 2) polygon([ for (k = [0:5]) [hex_radius * cos(k * 60), hex_radius * sin(k * 60)] ]); }}