width=89;
height=157;
thickness=3;
edge_radius=4;

difference() {
    translate([edge_radius,edge_radius,0]) {
        minkowski() {
            cube([height-2*edge_radius,width-2*edge_radius,thickness/2]);
            cylinder(thickness/2, edge_radius, edge_radius);
        }
    }
    
    mounting_hole_radius=2.5;
    translate([5,5,-0.5]) {
        cylinder(thickness+1, mounting_hole_radius, mounting_hole_radius);
    }
    
    translate([5,width-5,-0.5]) {
        cylinder(thickness+1, mounting_hole_radius, mounting_hole_radius);
    }
    
    translate([height-5,5,-0.5]) {
        cylinder(thickness+1, mounting_hole_radius, mounting_hole_radius);
    }
    
    translate([height-5,width-5,-0.5]) {
        cylinder(thickness+1, mounting_hole_radius, mounting_hole_radius);
    }
}

// pole mount
pipe_diameter=60;
pipe_radius=pipe_diameter/2;

pole_mount_width=15;
pole_mount_length=25;
pole_mount_height=pipe_radius;
channel_width=15;

channel_angle=65; // TODO: Automatically adapt angle to pipe diameter
width_offset=sign(sign(width-pipe_diameter)+1)*((width-pipe_diameter)/2+5);

difference() {
    union() {
        translate([15,width_offset,0]) {
            difference() {
                cube([pole_mount_length,pole_mount_width,pole_mount_height]);
                translate([pole_mount_length/2-channel_width/2,pole_mount_width,thickness]) {
                    rotate([channel_angle,0,0]) {
                        cube([channel_width,2,30]);
                    }
                }
            }
        }

        mirror([0,1,0]) {
            translate([15,-width+width_offset,0]) {
                difference() {
                    cube([pole_mount_length,pole_mount_width,pole_mount_height]);
                    translate([pole_mount_length/2-channel_width/2,pole_mount_width,thickness]) {
                        rotate([channel_angle,0,0]) {
                            cube([channel_width,2,30]);
                        }
                    }
                }
            }
        }

        translate([height-pole_mount_length-15,width_offset,0]) {
            difference() {
                cube([pole_mount_length,pole_mount_width,pole_mount_height]);
                translate([pole_mount_length/2-channel_width/2,pole_mount_width,thickness]) {
                    rotate([channel_angle,0,0]) {
                        cube([channel_width,2,30]);
                    }
                }
            }
        }
        
        mirror([0,1,0]) {
            translate([height-pole_mount_length-15,-width+width_offset,0]) {
                difference() {
                    cube([pole_mount_length,pole_mount_width,pole_mount_height]);
                    translate([pole_mount_length/2-channel_width/2,pole_mount_width,thickness]) {
                        rotate([channel_angle,0,0]) {
                            cube([channel_width,2,30]);
                        }
                    }
                }
            }
        }
    }
    
    // pipe
    rotate([0,90,0]) {
        translate([-pipe_radius-5,width/2,0]) {
            #cylinder(height,pipe_radius,pipe_radius);
        }
    }
}

$fn=70;