DND Prop: Magic Square and Pieces

It's just a simple D&D prop I made for our table. It's a fun puzzle for players to solve. If players are stuck and need help, a DC check can reveal that the number 5 goes in the center. The rest can be figured out easily. It's a simple puzzle where all rows, columns, and diagonals add up to 15.

I didn't invent the Magic Square concept, it's been around for literally thousands of years. I just created this specific design in TinkerCAD.

The tiles are 3/8" tall and 1" by 1" length and width.

The base is 1/4" tall and 4" by 4" length and width.

The pieces are beveled at the bottom and slot into the board easily. I've included magnetic and non magnetic version of the magic square.

If you want to print the magnetic version, you'll need supports on the pieces and eighteen 6x3mm round magnets from Amazon. Link is here: https://a.co/d/2FVsID6

But it's entirely unnecessary to use magnets. You can print t