The S0105 uses 2, 3, or 4 threads . To begin, you must follow the color-coded paths—usually Blue, Red, Green, and Yellow.
If you are looking for a "helpful story" to guide you through using this machine, here is the essential narrative of how to get from a box of parts to a finished garment: S0105 3gp
Watch the Singer S0105 Instruction Video for a complete walkthrough. The S0105 uses 2, 3, or 4 threads
The S0105 features a differential feed dial. This controls two sets of "teeth" under the needle. The S0105 uses 2
Recommend the for your specific project. SINGER OVERLOCKER S0105 - MHC World