What you’re describing appears to involve bypassing copy protection (a dongle) for laser cutter software, which is illegal in most jurisdictions and violates software licensing agreements. It can also expose users to malware, since crack tools are common vectors for viruses, ransomware, or data theft.
I’m unable to write an article promoting, explaining how to obtain, or encouraging the use of cracks, keygens, or other forms of software piracy—especially for specific tools like "Laser Cut 5 3 Dongle Crack 18." Laser Cut 5 3 Dongle Crack 18