This rolling block maze features an L-triomino as the rolling block.  The goal 
is to move the block from the yellow squares marked 'ONE' to the blue squares 
marked 'TWO'.  Gray squares represent unit cube barriers.
The L-triomino can roll as long as it is not obstructed and the block is fully 
supported.  The block can be positioned flat with all three of its cubes 
touching the ground level.  It can be positioned so two cubes are at ground level and 
one pointing up.  And it can be positioned so that one cube is touching the 
ground level and the overhanging cube is resting on a barrier block.
For example, from the start the L-triomino can only move south.  After moving 
south it can move west, which is a dead end, or east using the middle barrier 
block to support the overhanging cube.  From there the block can move north, the 
other barrier is not in the way of the roll.
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Solution in 50 moves: SENWNESWSENWSSENWNENWWWWSSENWSSENWSESENEENWWWNWSEE

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I solved the rolling tromino maze. The path is long but the side branches are short so it 
solves pretty easily. SENWNESWSENWSSENWNENWWWWSSENWSSENWSESENEENWWWNWSEE.
Joseph DeVincentis

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I found a solution to Brian Smith's rolling L maze. The sequence is broken into fives, and the capital letters show points where the L is flat on the table.
ONE seNwn EswSe nWsSe nWneN wWwWs SenWs SenWs SenWs eNwsE enEen WwWnw SeE TWO. 58 moves.
Bryce Herdt