Docs / Bleed

Bleed

Bleed is image content printed beyond the final trim line of the poster. If the outermost millimeters will be cut, folded or mounted under a frame, bleed keeps the very edge solid instead of leaving slivers of white paper.

When to use it

• Trimming the assembled poster - bleed guarantees color reaches the new edge after cutting.
• Mounting or framing - edges wrapped around a backing board stay image-covered.
• Solid backgrounds and dark artwork - any design where a hairline white edge would be visible.

When it’s optional

Posters assembled from butt-joined tiles without trimming don’t strictly need bleed at the outer boundary - though interior seams still benefit from overlap.

Bleed vs overlap

Both are measured in millimeters and shown in the preview so you can verify where image ends, where marks sit, and what gets trimmed.