A x16 scale view of a modular tiled Long Glimmer pixel art I made for r/place, a completed version survived to the final canvas as seen in another of my arts.
[1x1 scale version]
[Example of Long Glimmy contruction - x8 scale]
Modules are based on 4x4 pixel sections, so preferably use a grid of that size and use the body (especially corners) as a guide for the placement and construction; the corner/bends should all fit within the confines of 1 grid.