Lending A Hand

Being disabled should not mean being disadvantaged, and no one should be left behind as technology progresses. Losing an arm or the use of a hand today could make using a smartphone difficult. This strap-on arm allows one-handed phone operation as part of the #AssistiveTech challenge.

Parts needed:
- Print one of each file (files labelled “b”, e.g. 1b and 4b are options). Refer to attached “Parts Catalog” screen shot.
- 8 x M3*12mm screws
- 2 x M3*6mm OR 8mm screws
- 1 x M4*30mm bolt & nut
- 4 x short self-tapping screws
- 1 x 1/2” electrical trunking
- 2 rubber bands
- 1 x M5*40mm bolt & nut
- 1 x M5*60mm bolt & nut
- 1 x length of 10mm strap

Assembly:
1. Run strap through Base unit loops. Secure ends with dead knots (I might add a self-locking clip later)
2. Mount Base Socket to Base unit, using 4 M3*12mm screws. Note, these are designed to enter at an angle toward the underside of the socket.
3. Insert Ball Joint.
4. Install M4*30mm bolt through Lock Handle, fast