Three participants were invited to this test. All of them are female with size of feet between 23 to 23.5 cm.First,
their feet were scanned into 3D modelling software. The 3D portable scanner were Sense which were invented by
Cubify. Second, the same form of shoes models were made respectively. Rhino is the main software while
modelling for the advantages of dealing with surface and curve.There are two principal for making 3D models of
plantar, one is to fit the outline of foot, and another one is to fit the arch of foots.