: .rar is a compressed archive format. The part1 suffix indicates that the original software installer or data was too large for a single file and has been split into multiple pieces (e.g., part1, part2, etc.).
The file refers to the first segment of a multi-part compressed archive for the Model Builder software, likely the simulation/hobby game developed by Moonlit S.A.. Version 1.1.7 is an older iteration of the game, which has since seen significant updates, including a "Complete Edition" on platforms like Steam . File Overview model-builder-v1-1-7-part1-rar
: Extensive painting tools, including airbrushing, and a wide array of decals to create unique designs. Version 1
: Use software like WinRAR or 7-Zip. Open only part1 ; the program will automatically pull data from the subsequent parts to rebuild the full installer. Open only part1 ; the program will automatically
: This version was part of the early post-launch update cycle. Modern versions have addressed common early bugs such as workbench interaction issues and save/load errors. Technical Usage Notes
: If you encounter an error stating a volume is missing, ensure all parts of the archive are downloaded and named identically except for the part number.