**THE MARCO POLO CHALLENGE: System for designing 3D concrete printed walls**

Author: Alexandre Montolio Font

**INTRODUCTION**

This exercice is part of the Marco Polo Challenge Studio carried out by the professors Katerina Nováková and Jiří Vele and its purpose is to design a two storage house whose walls are made by 3d printed material. More specifically, this exercise focuses on designing a parametric system in Grashopper in order to be shared with the team members and allow us to experiment with different pattern possibilities.

**INSPIRATION**

The inspiration comes from the Prvok House, designed by Michal Trpák, Jiří Vele, Kateřina Nováková in 2020.

**EXERCISE**

A total of five different possibilities have been developed always using the same basic script sytem to design the model:

**1.The Sinusoidal Wall:** Combination of two inverted sinusoidal curves along a cilindrical coordinated points.

**2. The Gradient Wall:** Combination of two inverted sinusoidal curves whose domain is modified by an attractor factor.

**3. The Attractor Wall:** Point grid based in a sinusoidal curve (x and y axis) and “graph map” curve in axis z whose domain is modified by an attractor factor.

**4. The Pattern Wall:** Use the *Surface Morph *to transform a XYZ coordinated surface into a one ajusted to the cilindrical coordinates of the original wall.

**5. The 4D Wall:** Use the *Surface Morph *to transform a random (using *4D noise*) XYZ coordinated surface into a one ajusted to the cilindrical coordinates of the original wall.

**EXAMPLES**

How the wall patterns fit on the house

**TUTORIAL**

How to do the *Gradient Wall*

**FINAL PRODUCT**

Printing of the Gradient Wall (50x50cm concrete model)