Tried to re-center the pieces but they it is fraught...

src/display3d.rs

@@ -291,9 +291,9 @@ fn board_translation(&BoardIndex { x, y }: &BoardIndex) -> Vec3 {
     let y = -(y as i8) + 1;
 
     let x = if x < 0 {
-        x as f32 * 1.3 + 0.325
+        x as f32 * 1.3 + 0.275 // 0.325
     } else {
-        x as f32 * 1.3 + 1.0
+        x as f32 * 1.3 + 1.05 // 1.0
     };
 
     let y = y as f32 * 1.3 + 0.65;