DaveBartlett:
(a) Shape (inside)
DaveBartlett:
(b) Shape (outside)
DaveBartlett:
(c) Form (inside)
DaveBartlett:
(d) Form (outside)
DaveBartlett:
(e) Texture (inside)
DaveBartlett:
(f) Texture (outside)
DaveBartlett:
(g) Colour (inside)
DaveBartlett:
(h) Colour (outside)