It's incredibly simple to make, with hardly any materials, and the laser is able to get a great amount of detail.
What You'll Need
01. Scrap of wood (or acrylic) 1/8-1/4" thick, at least 4 times larger than the seal
02. Double sided tape
Step 1: Prepare File
To create my stamp, I set up four circles that would stack on top of each other.
2 inner layers, the logo reversed for the seal, and the normal logo for the top (to register the stamp)
Step 2: Laser Cut
The depth of the etching is up to you, but you want to give enough depth to leave a clear impression (I did about 1/16")