I Think there should be a way to change the blocks used in the schematic would be great! for if you want to use the same building, but the block pallet doesn't fit in, you could click "Edit Pallet" to change the blocks!
The first slot you won't change, they will include all of the blocks within the check list, the 2nd slot is for what you want instead, blockdata within the schematic will be the same, A pillar quartz replacing a log on the rotated on the z-axis would stay on the z-axis! Any slots left empty will stay the same!
This concept would be very convenient! not having to re-build a schematic to change the block pallet! Also if you make a edit to a schematic, you wouldn't have to make that same edit to each pallet version! You also would need way less schematic files swarming in your folder and loadable options!
This is something I would really love to see! Please add this!