This is a brand new Snowflake from Dennis Walker - many of you will have previously folded a version of his earlier design, but this is a new unpublished model. In terms of difficulty it is not a difficult model per say, the "trickiest" step from a technical perspective being spread squash but as spread squashes go this one is as straightforward as they get. It is a two hour class simply due to the amount of folding, rather than any particular difficulties.
This model is folded from a regular Hexagon. I would recommend a hexagon that measures at least 24cm/9.5 inches from point to opposite point or larger for a first attempt. The model only shows one side of the paper, but if folded from a thin translucent paper the varying number of layers creates a beautiful effect when back lit - see photo! The model in the photograph is folded from 63gsm tracing paper which is as hard a paper as can be used as anything harder (e.g. vellum) will crack and split. Tracing paper, or any thin translucent plain paper will work, as would a large sheet of Kami.