ezlid, i tried the vinegar. and unluckily didnt removed the blacks stuff.
although it did remove some of the greenish oxide over de copper.
any other ideas ppl??
i will try coke tomorrow.
PS: jaydee, your blocks are mainly plexi if im not mistaken. i guess the wont weight that much.
mine's base is a 80mm x 60mm x 4mm copper plate.
a 12mm thick, 80mm x 60 mm top.
the heart is similar to the top but its hollow, the walls are 5mm thick.
this thing is really massive.
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