keychain 3d model

A 3D printable circular keychain token, 50mm diameter, flat coin-like shape with a small hole at the top for a keyring. On the front face, there is clean, embossed 3D text. The top line reads "Cogito ergo sum", but the word "Cogito" has a distinct horizontal strike-through line cutting through it. Centered directly below, there is a signature text that reads "Koguto". Minimalist style, solid watertight mesh, smooth surfaces, optimized for 3D printing.