water filter cartridge 3d model

$fn = 100; // High-resolution rendering // Global Dimensions (in mm) bottle_outer_dia = 65; wall_thick = 2; inner_dia = bottle_outer_dia - (wall_thick * 2); // Compartment Heights raw_h = 110; filter_h = 40; elec_h = 40; filtered_h = 120; module raw_water_chamber() { difference() { // Main Body cylinder(h=raw_h, d=bottle_outer_dia); // Water Storage Hollow translate([0, 0, 15]) cylinder(h=raw_h-15, d=inner_dia); // Top Sealed Electronics/Battery Pod translate([0, 0, 2]) cylinder(h=12, d=inner_dia); // Solar Panel Mounting Recess (Outer Wall Flat Cutout) translate([bottle_outer_dia/2 - 1, -15, 20]) cube([2, 30, 70]); // USB Port Hole translate([0, bottle_outer_dia/2 - 3, 8]) rotate([0, 90, 90]) cube([4, 8, 5], center=true); } } module filter_cartridge() { difference() { cylinder(h=filter_h, d=bottle_outer_dia); // Hollow space