This tutorial makes tiger drawing simple, fun, and surprisingly easy to follow. You will start with basic shapes to build the ...

Crocodiles have a powerful shape and rugged texture that make them an exciting subject for drawing practice. This tutorial ...

ETFs let you invest in a diversified portfolio via a single transaction. ETF shares trade throughout the day on exchanges like stocks. ETFs generally incur lower costs and are suitable for long-term ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

Functions and modules that provide shortcuts for translation, rotation and mirror operations. Also provided are skew and frame_map which remaps the coordinate axes. The shortcuts can act on geometry, ...