Downloadable and recorded software for use by others for use in the design of devices for physically supporting people with impaired mobility, namely orthopaedic and medical apparatus, car seats, wheelchairs, prams, wheelchair seats, standing aids, limb supports, postural supports, seats, tables, frames, stands, benches, beds, mattresses, pillows, walking frames, walkers, gait trainers, pads, cushions, adductor supports, forearm supports, arm supports, knee supports, back supports, trunk supp...