The components used in our TSA prototype are listed as follows:
3D Printer
Screwdriver
Need some kind of platform like plywood to secure the separator and the motor down via. screws. The length of the platform and the distant of the twisting zone depends on desired contraction.
Refer to TSA: Design Principles
Alternative options for the motor, string, and 3D printing can be found in the Design Considerations section in the TSA: Design Principles tab.