How do I get 6-sided blocks?

I've heard of these before, and yet I can't figure out how to get them. The blocks I want are like the 6-sided piston head block. If you can tell me how to use /setblock
or /give
to get those blocks, please tell me. I want to know what the data values are in order to get those. Sometimes when I mess with data values, I get milky potions, odorless potions, and the list goes on. I also DON'T want to get one of those purple and black checkerboard texture blocks.
Best Answer
Another extremely easy way is with worldedit, (which, by the way, is a full mod now. also, this IS NOT a tutorial on how to install worldedit, just Google it.) just use //replace <block> log:12
and make ugly log things go from this
to THIS
(in this example i used
//replace log log:12
)
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Answer 2
For 6 sided piston:Go on to 1.7.10 and do /setblock ~ ~0 ~ 33 7
For 6 sided logs:Go onto any version and do /setblock ~ ~ ~ log 12
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