Modeled and rendered with 3ds Max 2014 with v-ray 3.00. V-Ray 2SidedMtl used as a material. File saved as 3ds Max 2011 format. Great quads only geometry. Model is scaled to real world and centered at origin. Clean UVs. Unique names for objects, materials, textures.
Petals are separated from each other. One-sided objects.