$fn = 64;

// --- Parameters ---

// Wall Mount / Base
mount_width = 40;
mount_height = 95;
base_thickness = 5;

// ArtArsenal / French Cleat Rail Mount
cleat_depth = 12;
cleat_height = 20;

// Airbrush Holder Fork
fork_length = 55;
fork_thickness = 15;
airbrush_body_dia = 16;
slot_width = 11;

// Cable Management Spool
spool_dia = 22;
spool_length = 35;
lip_dia = 35;
lip_thickness = 4;

// Recommended print orientation: 
// Lay flat on its side (rotate 90 degrees on X or Y axis) for support-free printing.

airbrush_station();

module airbrush_station() {
    union() {
        // Base Plate
        translate([-mount_width/2, 0, -mount_height])
            cube([mount_width, base_thickness, mount_height]);

        // Wall Rail Cleat (Back)
        cleat_profile();

        // Lower Standoff / Bumper (Back)
        // Keeps the holder vertically aligned against the wall
        translate([-mount_width/2, -cleat_depth/2, -mount_height])
            cube([mount_width, cleat_depth/2, 10]);

        // Airbrush Holder Fork (Front)
        difference() {
            // Rounded fork body
            hull() {
                translate([-mount_width/2, base_thickness, -fork_thickness])
                    cube([mount_width, 1, fork_thickness]);
                
                translate([-mount_width/2 + 5, base_thickness + fork_length - 5, -fork_thickness])
                    cylinder(r=5, h=fork_thickness);
                    
                translate([mount_width/2 - 5, base_thickness + fork_length - 5, -fork_thickness])
                    cylinder(r=5, h=fork_thickness);
            }

            // Central resting hole for airbrush
            translate([0, base_thickness + fork_length - 16, -fork_thickness - 1])
                cylinder(d=airbrush_body_dia, h=fork_thickness + 2);

            // Countersink to securely seat and protect the airbrush
            translate([0, base_thickness + fork_length - 16, -4])
                cylinder(d1=airbrush_body_dia, d2=airbrush_body_dia + 12, h=5);

            // Front entry slot for the neck/trigger area
            translate([-slot_width/2, base_thickness + fork_length - 16, -fork_thickness - 1])
                cube([slot_width, 30, fork_thickness + 2]);
        }

        // Cable Management Spool (Front, Lower)
        translate([0, base_thickness, -mount_height + lip_dia/2 + 5]) {
            rotate([-90, 0, 0]) {
                // Main spool shaft
                cylinder(d=spool_dia, h=spool_length);
                
                // Retaining lip
                translate([0, 0, spool_length])
                    hull() {
                        cylinder(d=lip_dia, h=lip_thickness);
                        translate([0, 4, 0]) 
                            cylinder(d=lip_dia, h=lip_thickness); // Extended upward
                    }
            }
        }
        
        // Structural support rib for the spool
        hull() {
            translate([-3, base_thickness, -mount_height + lip_dia/2 + 5])
                cube([6, spool_length - 5, 1]);
            translate([-3, base_thickness, -fork_thickness - 1])
                cube([6, 1, 1]);
        }
    }
}

module cleat_profile() {
    // Generates a standard 45-degree downward hook for wall rails
    translate([-mount_width/2, 0, 0])
    rotate([0, 90, 0])
    linear_extrude(mount_width)
    polygon([
        [0, 0],                          // Top against backplate
        [cleat_height, 0],               // Bottom against backplate
        [cleat_height, -cleat_depth/2],  // Bottom outer edge
        [cleat_height/2, -cleat_depth],  // Hook inner tip
        [0, -cleat_depth]                // Top outer edge
    ]);
}