Nickitkat

Hi, I'm starting to regret my material choices for my base in survival. I wish to swap them but the thought of replacing everything block by block is really discouraging. I can't phantom how long it would take to change them all and I don't even know if the new material palette would look good until I test them out somehow. I've tried world edit. Creating a bounding box selection, using rep mat only works for full 'blocks' and support beams so far. Slabs, chiseled blocks and fence doesn't seem to work. Right clicking them with the new block I wish to replace also doesn't work. I've downloaded QP's chisel mod, but I don't know how to make the block swapper tool work on an entire selection. Not to mention, it doesn't work on chiseled blocks. Basically I'm just trying to swap all pine related blocks or texture to walnut. Please help me ! Thanks! P.S - English isn't my first language, I apologize if my sentences cause confusion or if they could be worded better. Sorry!