2.5,
];
+btn_x = 58;
+btn_dia = 14;
+btn_yprop = 0.23;
+
module Case(){
difference(){
mirror([1,0,0])
translate(-thick)
cube(psz + 2*thick - [1,0,0] * (thick[0]));
+ for (yp= [ btn_yprop, 1-btn_yprop ])
+ translate([ -btn_x,
+ yp * psz[1],
+ 0.5 * psz[2] ])
+ cylinder(r= btn_dia/2, h=20);
+
#mirror([1,0,0])
cube(psz + [1,0,0]);
}