The following pictures show n dominoes (with short side 1) packed inside the smallest known L (with short side length s).
1. 
s = 1
Trivial.
2. 
s = 3/2 = 1.5
Trivial.
3. 
s = (6+√2)/4 = 1.853+
Found by Erich Friedman in April 2026.
4.-6.. 
s = 2
Trivial.
7.-8. 
s = 5/2 = 2.5
Trivial.
9. 
s = 2.87746+
Found by Jonathan Viquerat in June 2026.
10.-13. 
s = 3
Trivial.
14. 
s = 3+√2/4 = 3.353+
Found by Maurizio Morandi in April 2026.
15.-16. 
s = 7/2 = 3.5
Trivial.
17. 
s = (10+9√2)/6 = 3.787+
Found by Maurizio Morandi in April 2026.
18. 
s = 3.86771+
Found by Joshua Wolk in September 2026.
19.-24. 
s = 4
Trivial.
25. 
s = 4.41143+
Found by Joshua Wolk
in September 2026.
26-28. 
s = 9/2 = 4.5
Trivial.
29. 
s = 4.80473+
Found by Joshua Wolk
in September 2026.
30. 
s = 4.87889+
Found by Joshua Wolk
in September 2026.
31.-37. 
s = 5
Trivial.
38. 
s = 5.35355+
Found by Joshua Wolk
in September 2026.
39. 
s = 5.47455+
Found by Joshua Wolk
in September 2026.
40.-42. 
s = 11/2 = 5.5
Trivial.
43. 
s = 5.76504+
Found by Joshua Wolk
in September 2026.
44. 
s = 5.76504+
Found by Joshua Wolk
in September 2026.
45.-54. 
s = 6
Trivial.