I kept the first wall on the north edge of my valley: twelve dirt blocks, one torch, a door set one block too high. It was built during rain, while a skeleton rattled under the spruce line, and every later tower had to answer to it.
Keep the seams visible
Perfect bases ask visitors to admire the plan. Rough bases invite them to remember the night the roof went on, the gravel that fell into the mine, and the friend who placed glass crooked and refused to move it.