\begin{table*}[htbp]
\small
\centering
\caption{Hard Origami Models (20-30 Steps)}
\label{tab:difficult_origami_models_2col}
\resizebox{\linewidth}{!}{%
\begin{tabular}{p{3.2in}|p{3.2in}}
\toprule
\multicolumn{2}{c}{\textbf{Difficult Origami Models (20-30 Steps)}} \\ \hline
1. Elephant - standing - Animals - 20 & 2. Bookend - simple L-shape, thick - Items - 20 \\ \hline
3. Drum - simple - Musical Instruments - 20 & 4. Torch with flame - Items - 20 \\ \hline
5. Giraffe - standing - Animals - 22 & 6. Hedgehog - Animals - 22 \\ \hline
7. Lidded Box - separate lid \& base, simple - Items - 22 & 8. Spaceship - simple rocket style - Vehicles - 22 \\ \hline
9. Binoculars - Items - 22 & 10. Phone Stand - functional - Items - 22 \\ \hline
11. Pyramid - more detailed base - Architecture - 22 & 12. Scroll - open - Items - 22 \\ \hline
13. Bear - standing - Animals - 23 & 14. Shrimp/Prawn - Animals - 23 \\ \hline
15. Lighthouse - Architecture - 23 & 16. Sailboat - more detailed - Vehicles - 23 \\ \hline
17. Hourglass shape - Items - 23 & 18. Dog Toy - squeaky bone shape - Toys - 23 \\ \hline
19. Floor Lamp - Furniture - 23 & 20. Camel - Animals - 24 \\ \hline
21. Crab - Animals - 24 & 22. Hot Air Balloon - simple 3D - Vehicles - 24 \\ \hline
23. Camera - simple 3D body - Items - 24 & 24. Trophy Cup - Items - 24 \\ \hline
25. Bridge - simple arch - Architecture - 24 & 26. Vase - with some shaping - Items - 24 \\ \hline
27. Shoji Screen - simple panel - Traditional - 24 & 28. Horse - standing - Animals - 25 \\ \hline
29. Hippopotamus - Animals - 25 & 30. Shark - Animals - 25 \\ \hline
31. Bee - detailed wings - Animals - 25 & 32. Owl - with features - Animals - 25 \\ \hline
33. Treasure Chest - simple - Items - 25 & 34. Church - simple front - Architecture - 25 \\ \hline
35. Robot - boxy - Toys - 25 & 36. Microphone with stand base - Items - 25 \\ \hline
37. Tower/Rook chess piece shape - Toys - 25 & 38. Kettle - Items - 25 \\ \hline
39. Photo Frame - standing type - Items - 25 & 40. Sofa - more detailed - Furniture - 25 \\ \hline
41. Panda - sitting - Animals - 26 & 42. Kangaroo with joey pouch outline - Animals - 26 \\ \hline
43. Seahorse - Animals - 26 & 44. Flamingo - Animals - 26 \\ \hline
45. Truck - simple 3D profile - Vehicles - 26 & 46. Eiffel Tower - simplified flat - Landmarks - 26 \\ \hline
47. Harp - simplified profile - Musical Instruments - 26 & 48. Tent - more complex dome like - Items - 26 \\ \hline
49. Snowman - Decorations - 26 & 50. Wolf - howling pose - Animals - 27 \\ \hline
51. Turtle - with shell detail - Animals - 27 & 52. Eagle - spread wings - Animals - 27 \\ \hline
53. Windmill building with vanes - Architecture - 27 & 54. Violin - simplified profile - Musical Instruments - 27 \\ \hline
55. Backpack - with straps - Items - 27 & 56. Dragonfly - more detailed - Animals - 27 \\ \hline
57. Sports Car - simple profile - Vehicles - 27 & 58. Potted Plant - simple - Plants - 27 \\ \hline
59. Lion - standing - Animals - 28 & 60. Deer/Stag - Animals - 28 \\ \hline
61. Crocodile/Alligator - simple form - Animals - 28 & 62. Spider - 8 legs - Animals - 28 \\ \hline
63. Parrot - on perch - Animals - 28 & 64. Pentagonal Box - simple - Items - 28 \\ \hline
65. Train Engine - simple profile - Vehicles - 28 & 66. Castle - simple front - Architecture - 28 \\ \hline
67. Old Telephone - receiver and body - Items - 28 & 68. Saxophone - simplified profile - Musical Instruments - 28 \\ \hline
69. Accordion - simplified - Musical Instruments - 28 & 70. Butterfly - more detailed - Animals - 28 \\ \hline
71. Christmas Wreath - simple modular - Decorations - 28 & 72. Unicorn - simple standing - Animals - 28 \\ \hline
73. Laptop - open - Items - 28 & 74. Rhinoceros - Animals - 29 \\ \hline
75. Peacock - simplified tail - Animals - 29 & 76. Pterodactyl - simple - Animals - 29 \\ \hline
77. Fire Truck - basic shape - Vehicles - 29 & 78. Police Car - basic shape - Vehicles - 29 \\ \hline
79. Ambulance - basic shape - Vehicles - 29 & 80. Grand Piano - simplified top view - Musical Instruments - 29 \\ \hline
81. Clownfish - Animals - 29 & 82. Ice Cream Truck - simple profile - Vehicles - 29 \\ \hline
83. Lotus - multi-petal - Plants - 29 & 84. Octopus - with 8 simple tentacles - Animals - 30 \\ \hline
85. Scorpion - Animals - 30 & 86. Dinosaur T-Rex - simple standing - Animals - 30 \\ \hline
87. Hexagonal Box - simple - Items - 30 & 88. Bicycle - very simplified profile - Vehicles - 30 \\ \hline
89. Motorcycle - very simplified profile - Vehicles - 30 & 90. Pirate Ship - simplified - Vehicles - 30 \\ \hline
91. Double Decker Bus - simple profile - Vehicles - 30 & 92. Reindeer - simple standing - Animals - 30 \\ \hline
\bottomrule
\end{tabular}%
}
\end{table*}