18
Top Frames 2
[S3] x 12[S4] x 12
DOOR
COMMON MISTAKE: [B2][B4]
Mistake: The ๎at surface is on top.
This is the only correct layout of [B2] and [B4], with [B2] on the left wall and [B4] on the right. โ ~โฅ indicates the order of ๎xing [S3].
[B2] [B4]
[FLAT SURFACE]
[U channel]
