Below are a series of sixteen wooden geologic block models carved by Kurtis C. Burmeister and photogrammetricly scanned by Ryan J Hollister.   The virtual models are open-source and freely downloadable with proper attribution. 

Topographic Block Models

No. 121 - Topographic map block w dipping planes by phaneritic on Sketchfab

No. 122 - Topographic map block w dipping planes by phaneritic on Sketchfab

No. 123 - Large topographic map block by phaneritic on Sketchfab

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Geologic Rule of V's Models

No. 88a - Geologic Rule of V’s model by phaneritic on Sketchfab

No. 88b - Geologic Rule of V’s model by phaneritic on Sketchfab

No. 88c - Geologic Rule of V’s model by phaneritic on Sketchfab

No 88d - Geologic Rule of V's model. by phaneritic on Sketchfab

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Geologic Basic Faults Models

No. 89a - Geologic block model of reverse fault by phaneritic on Sketchfab

No. 89c - Geologic block model of a normal fault by phaneritic on Sketchfab

No. 89b - Geologic Block Model by phaneritic on Sketchfab

No 89d - Geologic block model of a thrust fault by phaneritic on Sketchfab

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Geologic Block Models

No. 85 - Geologic block model of a graben by phaneritic on Sketchfab

No. 86 - Geologic Block Model by phaneritic on Sketchfab

No. 87 - Geologic Block Model by phaneritic on Sketchfab

No. 90 - Geologic Block Model by phaneritic on Sketchfab

No. 120 - Geologic Block Model by phaneritic on Sketchfab