<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img loading="lazy" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="auto, (max-width: 800px) 100vw, 800px" /></a></figure>



<p>A conversation about mathematics inspired by a 3D wooden puzzle. Presented by Katie Steckles and Peter Rowlett, with special guest Grant Sanderson.</p>



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-scaled.jpeg"><img loading="lazy" decoding="async" width="1024" height="768" src="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1024x768.jpeg" alt="Three 3D wooden puzzles made of interlocking wooden blocks." class="wp-image-31116" srcset="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1024x768.jpeg 1024w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-300x225.jpeg 300w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-768x576.jpeg 768w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1536x1152.jpeg 1536w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-2048x1536.jpeg 2048w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-150x113.jpeg 150w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-800x600.jpeg 800w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-600x450.jpeg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

Mathematical Objects: Roman dodecahedron

Katie Steckles and Peter Rowlett chat about some aspect of mathematics using a mathematical object as inspiration.