$28.99 for a 70x22cm board. When I saw it the first time I had the same idea as in article, but the cost isn't good. Just checked, I can buy a 75x50cm rack moun

$28.99 for a 70x22cm board. When I saw it the first time I had the same idea as in article, but the cost isn't good. Just checked, I can buy a 75x50cm rack mount shelf for less than that. No fancy rounded slots, though.