Star Trek Discovery Communicators
thingiverse
These badges use 4x 6mm x 1.5mm magnets. Like these: https://smile.amazon.com/Linlinzz-Small-Round-Refrigerator-Magnets/dp/B06Y4SDHB8/ref=sr_1_1?ie=UTF8&qid=1508625200&sr=8-1&keywords=6mm+x+1.5mm+magnet
Download Model from thingiverse
With this file you will be able to print Star Trek Discovery Communicators with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Star Trek Discovery Communicators.