Simple seashell

myminifactory

Developing a Simple Seashell Prototype --------------------------- First and foremost, create a basic shell model as a starting point. This can be achieved using OpenSCAD. ### Step 1: Basic Shell Model ```scad module seashell(radius = 10) { rotate_extrude(convexity = 10) circle(r = radius); } ``` In this code snippet, the `seashell` function takes an optional argument called `radius`, which defaults to a value of 10 if not specified. The `rotate_extrude` function is used to create the shell shape by extruding a circle around its center. ### Step 2: Refine the Shell Model ```scad module seashell(radius = 10, height = 20) { rotate_extrude(convexity = 10) polygon(points=[ [0, 0], [radius, radius/2], [radius * cos(30), radius/2 + radius * sin(30)], [0, 0] ]); } ``` In this refined version of the shell model, we've added a `height` parameter that defaults to a value of 20 if not specified. The `polygon` function is used to define the points that make up the shape of the seashell. ### Step 3: Add More Details ```scad module seashell(radius = 10, height = 20) { rotate_extrude(convexity = 10) polygon(points=[ [0, 0], [radius, radius/2], [radius * cos(30), radius/2 + radius * sin(30)], [0, 0] ]); // Add some details to the seashell translate([0, 0, height/2]) cylinder(r = radius/4, h = height/10); } ``` In this updated version of the shell model, we've added a small `cylinder` shape to the center of the shell. ### Step 4: Finalize the Seashell Design ```scad module seashell(radius = 10, height = 20) { rotate_extrude(convexity = 10) polygon(points=[ [0, 0], [radius, radius/2], [radius * cos(30), radius/2 + radius * sin(30)], [0, 0] ]); // Add some details to the seashell translate([0, 0, height/2]) cylinder(r = radius/4, h = height/10); // Add some texture to the seashell translate([radius * cos(30), radius/2 + radius * sin(30), height/2]) sphere(r = radius/8); } ``` In this final version of the shell model, we've added a small `sphere` shape to the surface of the shell. This completes our simple seashell prototype. You can now experiment with different parameters and shapes to create more complex designs.