$fn = 64;

// --- Parameters ---
stand_width = 60;       // Width of the stand
stand_depth = 85;       // Total depth of the base
thickness = 6;          // Thickness of the structural lines
angle = 60;             // Viewing angle in degrees
backrest_length = 85;   // Length of the back support
lip_height = 18;        // Height of the front lip
phone_space = 15;       // Gap for the phone (accommodates cases)

// --- Calculated Values ---
back_y = 28;
lip_y = back_y - phone_space - thickness;
brace_l = backrest_length * 0.65;

// --- 2D Profile ---
module stand_profile() {
    union() {
        // Base
        hull() {
            translate([0, 0]) circle(d=thickness);
            translate([stand_depth, 0]) circle(d=thickness);
        }
        // Backrest
        hull() {
            translate([back_y, 0]) circle(d=thickness);
            translate([back_y + backrest_length*cos(angle), backrest_length*sin(angle)]) circle(d=thickness);
        }
        // Front Lip
        hull() {
            translate([lip_y, 0]) circle(d=thickness);
            translate([lip_y, lip_height]) circle(d=thickness);
        }
        // Rear Support Brace
        hull() {
            translate([stand_depth, 0]) circle(d=thickness);
            translate([back_y + brace_l*cos(angle), brace_l*sin(angle)]) circle(d=thickness);
        }
    }
}

// --- 3D Extrusion & Orientation ---
// Rotates the 2D profile to stand upright and aligns it flush with the XYZ planes
translate([0, thickness/2, thickness/2])
    rotate([90, -90, 0])
        linear_extrude(height=stand_width, convexity=5)
            stand_profile();