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/