Spline cage modeling is a process that requires the use of 2d shapes, or splines, in order to build a cage that can later be surfaced. This tutorial will show you how to use splines in order to create a shark. Spline modeling take a while to get use to, but is a very valuable skill to have when using organic modeling.
1. Obtain some reference photos
Start by getting some reference photos of your shark. You can usually find some good one online, the key is to find an exact side profile, and if you can, a front profile, of the shark. From looking at my reference image, I created a plane in the left view about the size of the shark. Then I added the image to the plane as a texture. This is going to be used as a reference for obtaining the outline of the shark.
2. Outline the shark using line.
Go to the create panel and choose shapes > splines > line. From the left view, trace the outline of your shark, trying to use as little clicks as possible. Don’t worry if it’s not perfect, you can fix that next. Close the spline by clicking on ...