Originally for Minecraft, it has become an incredible, free, low-poly modeling tool that feels very similar to the simplicity of PicoCAD.
While individual end-users are rarely sued for using cracked software (copyright holders typically target distributors), you are still violating the Digital Millennium Copyright Act (DMCA) and similar laws worldwide. If you are a professional game developer or a student with a school network, using a crack could lead to: Picocad Crack