MangaErudite

How to Draw Manga! Mecha Basics Introduction
Mecha are a large part of modern and historic anime. Often artists exclude and ignore this aspect deeming it too hard or complicated, but really it can be quite fun. This article contains some basics and offers more in depth tutorials to assist with learning about this aspect of anime drawing.
Shape and Form
Often mecha simply consist of various static shapes at any given point in time, the most common shapes are rectangular, triangular and circular. Mastering the perspective and way these three main shapes are formed will make drawing mecha a lot easier.
Quite a lot of mecha are bipedal, variations include having treads instead of just walking or multiple legs to spider crawl around. These tutorials better go over the basics of drawing a mecha.