These are remixed models from cruse2382 - go check out all his models and give them a download, he has a ton of awesome stuff!

Changes from the original models:

• Increased thickness to include an embedded 20x10x2mm magnets in each piece
  • Amazon link: https://a.co/d/8r86Cvo
  • Pause included in the print profile for inserting the magnets
• Modified object/part sizing and coloring to only print black on the first two layers (minimizes amount of filament changes required)
• Modified size to be roughly 3 inches tall