./openscad-MCAD-0.0-9a958fd.tar.gz already exists, skipping download
Getting https://www.github.com/openscad/MCAD/archive/9a958fd11b0a6b5f8becd37c4f8a42f585abfcd8/openscad-MCAD-0.0-9a958fd.tar.gz to ./openscad-MCAD-0.0-9a958fd.tar.gz