Overlap — identifying and avoiding tangents
Placing forms so overlaps read clearly, and avoiding tangents where edges just touch and create confusing joins.
What it is
Overlap is one shape visibly sitting in front of another. When a drawing reads cleanly, one contour clearly cuts across the other, so you know which thing is closer without thinking about it.
Tangents are near-touches where edges barely kiss, run perfectly parallel, or meet by accident: a hand touching the silhouette of a head, a horizon lining up with a neck, a spear tip grazing the frame, two corners meeting at a point. They flatten space and make viewers pause for the wrong reasons.
In practice, you're constantly nudging things: pushing a shoulder clearly in front of a background shape instead of just touching it, dropping the horizon a bit lower, offsetting a sword so it overlaps the body instead of aligning with the leg. You scan for edge-on-edge moments and either separate them with a gap or commit to a clear overlap.
You also use overlap deliberately to describe depth and story beats: a hand in front of a face for emphasis, foreground foliage cutting across a character to place them in space, props overlapping to show which belongs to whom. At sketch, line, and final render stages, you check contours so overlaps feel intentional and tangents are designed out, not discovered after rendering.
Why it matters
Without clean overlaps, your scenes flatten: characters feel like stickers on a backdrop, and the viewer has to decode who is in front of what. Tangents pull attention away from what matters and cause confusing reads, like a sword merging with a leg or a tree "growing" out of someone's head. They make compositions feel amateurish even when the drawing and rendering are strong. When overlaps are clear and tangents are avoided, depth, staging, and story read immediately, and the eye moves where you want instead of catching on awkward joins.
You can check it when
- ✓You can scan your line art or flats and quickly spot and fix tangents — kissing edges, touching corners, or forms aligning in a way that muddies depth.
- ✓Your silhouettes and overlaps make it obvious at a glance which objects are in front, even with shading and texture removed.
- ✓You regularly adjust compositions (move a limb, shift a prop, change the horizon) to turn near-touches into either clear overlaps or comfortable gaps.
- ✓Your finished pieces rarely have unintentional merges like weapons growing out of heads, horizons cutting through necks, or limbs fusing with background shapes.