Dr. Sumner's Workshop Power Point on Geometric Algebra
This is a link to Dr. Sumner's workshop Power Point on Geometric Algebra using historic examples. https://drive.google.com/file/d/16o6HKhcJlTAvcO5ndLHAyYKWoDxHY9wd/view?usp=sharing
Posts
Tessellations and Tinkercad
This is a link to a video tutorial on using Tinkercad to design tessellations. Once you've designed your tessellation you can export the file for 3D printing. http://mdirsstutorials.blogspot.com/2017/11/design-and-3d-print-tessellations-with.html This looks like a very interesting website with several posts on Tinkercad, tessellations, and 3D printing. Here is the link to the site home page: http://mdirsstutorials.blogspot.com/
ARDUINO Workshop Materials
The link below will open a PDF file for the Arduino presentation. https://drive.google.com/file/d/1DkR_7CFXzR7tY_CeCpoJ3oeszZle61KQ/view?usp=sharing