A preparatory drawing outlining the principle behind the baseball pitcher idea. Defining a figurative form using tetrahedron structures representing cells of energy. I was exploring a sculptural idea which might sit outside a baseball stadium for example.

Line density in the above drawing was important for me as I was trying to imagine a sculptural form and how perhaps the thickness of metal using the tetrahedron model could define the figure and also represent lines of force during the motion of pitching.

Dynamic photograph of the forces at work in pitching. A very triangular interesting image.

Whilst the project brief was non representational I was drawn to the idea of exploring the mathematical relationships of the lines of the tetrahedrons and their triangular planes. I was interested in some way representing these relationships as a structure that mirrored principles of kinetic movement in people. I had seen much architecture that had used these mathematical principles and their presence in nature to make beautiful buildings which bore relationships to the ground, other buildings and the surrounding empty spaces. I wanted to explore, solidity, dynamism, action, line, shape and relationships in space via the movements of the human body and in particular I was drawn to that in activities such as competitive sport.

One of the most beautiful and consistently geometric forms I found was that of the pitcher in baseball. The mathematical principles behind the bodies movement and the perfect delivery of the ball were so similar to those existing in great architecture that I felt it allowed me to explore an unfamiliar discipline with more insight and understanding.

I initially worked on sketches that looked at the movement during the baseball pitch and related that back to the architectural forms present in combining the tetrahedrons into shapes that communicated a harmonious relationship with each other.

A clear triangular set position that begins the rotation of the body as the base for building energy through and into the ball. The direction of the triangular point representing a point of energy.

The full stretch during the pitch the leg stride width determines the speed of the final ball. The world's fastest pitcher has the longest leg stride. I thought this was a solid way of representing the weight bearing on the bottom of the flat triangular edge and how it can not only be used to support great mass and energy but can also be a pivotal point in sending energy through to other planes.

The final finishing position of the pitcher after the ball has left the body. The emphasis on the triangular point in contact with the ground exercises on our senses the energy contained within the triangle and the forces bearing on this point. Imaging human presence in these otherwise empty planes gives a solid representation of the lines working with each other geometrically and the forces and relationships with the ground.

My sketch below further represents an idea of the triangular structures interacting in ways that express a kinetic force. Drawings such as these were important in my developing the ideas of the tetrahedrons as a succession of interlocking fields and planes and allowing me to work more flexibly with the relationships they implied.

The baseball pitcher line drawing.as more abstract form.

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