have you considered nickel plating the blocks? I don't think it would be too costly and it would make the blocks look great, not
that they don't already of course.

Also, give that acrylic at least 24 hours to bond properly. Your using very thin acrylic with a rapid curing bonding agent (#3) and
it's very easy to break the join. But if your like me you'll really like experimenting with it, it's the best way to find out how to work
with the stuff and there's so much stuff you can do with it.

Have fun