/*
    Élément pour la platine séquenceur
    Quimper, La Baleine, 23 septembre 2020
    OpenSCAD version 2019.05 @ kirin / Debian 9.5
*/
difference() {
        
    union() {
        cylinder(h=6, r=5, center=true, $fn=36);  
        translate([0,0,-3]) cylinder(h=1.5, r=12, center=true, $fn=72);  
        translate([-5,0,1]) cube(size=[10,19,2]);
        translate([-5,4.7,1]) cube(size=[10,2,7]);
        translate([-5,17,1]) cube(size=[10,2,7]);
    }
    translate([0,0,-0.4]) cylinder(h=7, r=3.9, center=true, $fn=36);  
}