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/Illustrating Mathematics/Holonomy Blocks/Gallery Art

Gallery

Construction and installation of Holonomy Blocks at MoMath, New York, 2025.

The sphere board on a dark background, the triangular track curves over the dome of the surface
The flat board on a dark background, the square track lies flush with the level surface
The saddle board on a dark background, the pentagonal track follows the negatively curved surface
CNC router cutting the sphere surface, the bit descends into the dome emerging from a bed of sawdust
The saddle board fresh off the CNC router, surrounded by sawdust, channels and curves of the surface visible
The saddle board clamped with red bench clamps during glue-up
Corner pieces of the track being test-fitted into the flat board, with ball-bearing components nearby
Track segments being screwed onto the sphere board, the curve of the surface visible through the track channel
The metal arrow slider with its four ball-bearing feet, the piece that travels the tracks
The saddle board on the workbench with white metal track frames being fitted
The sphere board from above at MoMath, arrow resting in the tracks, with the prompt "Can you make the arrow point west?"
The three boards installed on a white table at MoMath with a prompt card reading "Can you make the arrow point east?"
Exhibition wall text: "Edmund Harriss and Henry Segerman, Holonomy Blocks" with explanatory text about holonomy and the Gauss-Bonnet theorem
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