oops, sorry 'bout dat! the spines are easy - poser cones. some 3d modelling apps have a "spherize" transformation that would morph the head like that. simulate the valleys between the ridges by drawing yer own texture over the m3 template, with various soft-edged axial black lines, then use it as a displacement map. the cactus buds and flowers .... jeez, I dunno. they've got a distinctive waxy and translucent appearance that I haven't seen in flowers posted as freebies here.