Johansen Monumenthuggeri : Creature from Iddefjord
Based on a handmade scale model by the Artist Martin Puryear, Johansen Monumenthuggeri was given the task of producing a massive 130 ton, 7.5 meter tall sculpture out of Iddefjord granite. The challenge for Johansen was to divide the sculpture into 44 invidivual blocks of stone, and use these to replicate the exact shape of the model with high precision.
Our task at Eker Design was to transfer the handmade scale model into a digital format and scale the model to correct size. The digital CAD model then had to be separated into multiple blocks to meet the limitations related to the heavy granite stone and the stonecutting production method.
The first step was to scan and digitize the small handmade sculpture in our 3D scanner and scale the model to the correct size. In consultation with the artist and the stonecutters, we constructed the digital model into 40 different blocks in our CAD system. We could then calculate center of gravity for each block, which was used to define each block position to secure a stable construction and the position of the lifting connectors.
The next step was to extract line-drawings from our CAD model for the stonecutting saw machines to cut the separate blocks with high precision.
The last step was to design templates and produce these in our large CNC milling machine. The templates and reference points from our CAD system were used by the stonecutters as an important tool to be able to copy the correct shape of the sculpture.
Over the course of this project, we have demonstrated that this cooperative relationship has many benefits – including an overall safer process, as well as increased productivity and reduced resource costs for the stonecutters. The end result was a massive sculpture with perfectly scaled dimensions according to the original, handmade model – exactly how the artist designed it.
The cooperation with Eker Design has saved us time and workload as their contribution has increased our precision and secured the process. The close dialogue with Eker was very comforting and productive for the stonecutters creating the sculpture.
-Vigdis Johansen, CEO Johansen Monumenthuggeri
Photo: Johansen Monumenthuggeri / Eker Design