$fn=60;

include <BOSL2/std.scad>
include <BOSL2/shapes2d.scad>
include <boltsos_0.4.1/BOLTS.scad>

CORNER_RADIUS = 3;

holder_height=20;
outer_diam=50;
inner_diam=20.6;

module screw_hole() {
    rotate([0,90,0]) {
        cylinder(h=3,d=8);
        cylinder(h=20,d=4.5);
    }
}

module screw_mount() {
    rotate([90,0,0]) {
        cyl(l=16, d=20, rounding=2);
    }
    translate([0,8,0]) {
        rotate([90,0,0]) {
            cyl(l=5, d=15, rounding=2);
        }
    }
} 


// Tube
* color("grey") {
    translate([0,0,150]) {
        tube(od=20,wall=1,h=300);
    }
}

// Tube holder
color("red") {
    difference() {
        union() {
            cyl(l=holder_height, d=outer_diam, rounding=2);
            translate([0,0,holder_height/2]) {
                cyl(l=holder_height/2, d=outer_diam-20, rounding=2);
            }
        }
        translate([0,0,7]) {
            cyl(l=holder_height,d=inner_diam, rounding=1);
        }
        rotate([0,90,0]) {
            cyl(l=outer_diam+10,d=3.2);
        }
    }
}