Hardware & software:
- Procreate (iOS) for $9.99 from Rene Ritchie.
- 2012 MacBook for $10 at the MIT Flea Market from Andy Ihnatko.
- Kerf Wooden Phone Cases at https://kerfcase.com for various $ from Lori Gil.
- FlashForge Guider 2 3D Printer for $1299 (on Amazon) from Rich Siegel.