2x3x4

Spoiler: Tip 1/5

The required trick is very similar to the one in Mini Tower IV.

Spoiler: Tip 2/5

It's based on Stringboard Stairs.

Spoiler: Tip 3/5

When performing the Springboard Stairs trick, for a small moment B considers himself to be on the block below the stairs you start the trick at.

Spoiler: Tip 4/5

Within that moment, you can sent B anywhere that is accessible from the block below those stairs.

Spoiler: Tip 5/5

Beware of B's claustrofobia.

Spoiler: Movie of the solution

Note that one tab is on the white background below the wooden fence, it's not so visible.

Got there eventually. I always struggle to really understand the mekorama physics of this. Seems more like magic to me.

@ridgerunner

Spoiler

When B steps down of stairs, his body lowers while he is still considered (at first) to be on the square of the stairs. That (x,y) location in combination with his body height (z), makes Mekorama allocate B to the block below the stairs for the path planner. But it's only for a short while.

@Block builder . Right,ive got the physics now. I always thought people were referring to the block below the tapped block, but i now see its the block below where B was situated.Thanks.

Even with all your tips and after watching the video I can't do it. Too advance playing for me, I prefer puzzles based on intended game mechanics and behavior.

Obviously an easy one for me. Maybe I should try a 1x3x8.

@tomatoKetchup Can you perform springboard stairs?