To create a rounded rectangle, adjust it to your desired size and then add a negative outline to create a sense of depth. Remember to set the outer outline for cutting and the inner outline for scoring. Finally, add lines to mark the areas for conversions.

Next, I filled in the information for the conversions. This process takes a while and involves a lot of math to find the conversions. Then, I added the title for the conversion chart.

For this, I used basswood, but you can use any material you want; acrylic would also look good.

This should be a relatively easy cut. Just make sure to set all the parameters for your laser engraving and always remember to wear your laser safety glasses.

Now all you need to do is attach the magnets to the back, and you're done.