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$fn = 80;

diffs() {

// =========================// BLOQUE BASE REDONDEADO 2mm// =========================minkowski() { cube([27,46,21], center=false); sphere(r=2);}// =========================// CARA XY (31x50)// Agujero Ø15 PASANTE// =========================translate([11, 25, 12.5]) cylinder(h=30, d=15, center=true);translate([31, 7, 15]) cylinder(h=12.5, d=5);translate([31, 41, 15

}