This episode is also available as a blog post: https://astrokhan.wordpress.com/2022/02/11/toughened-tempered-vs-plain-plate-glass/
This episode is also available as a blog post: https://astrokhan.wordpress.com/2022/01/13/diy-focuser-base-plate/
This episode is also available as a blog post: https://astrokhan.wordpress.com/2021/11/10/how-to-simply-calculate-the-secondary-mirror-size/
This episode is also available as a blog post: https://astrokhan.wordpress.com/2021/07/12/printable-ronchi-screens/
This episode is also available as a blog post: https://astrokhan.wordpress.com/2021/04/08/diy-right-angle-finderscope-7x/