Coral Snowflake Wall Sculpture

This sculpture, entitled Coral Snowflake, is crafted from 30 identical 3D printed forms that are assembled into an interlocking hexagonal grid. From: http://herschelshapiro.com/coral-snowflake/

Assembling a 30 piece sculpture as shown in the picture requires 140pcs of #4 x 1/2" Stainless Steel Flat Head Self Tapping Screws.