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| Factor | A4 | A3 |
|---|---|---|
| Media width | Smaller placements and test work | Larger graphics and denser gangs |
| Workspace | Lowest footprint | More printer/feed/curing space |
| Throughput | More tiling for large art | Fewer splits for common chest/back graphics |
| Upgrade risk | Higher if orders grow | More runway for a side business |
Use the largest real design
Export the largest common artwork at production size and place it on the exact printable area—not the marketing paper size. Include margins and any RIP limitations.
Compare waste, not only width
A3 can reduce tiling and increase gang-sheet flexibility, but expensive idle ink or maintenance can erase material savings at low volume. Run both cases in the cost-per-print tool.
Run the economics
Use the cost-per-print calculator, then the break-even model.