Why the order matters more than the tools
Almost every DIY seating chart that gets redone was built in the wrong order — the surface chosen before the chart, or names placed before the venue confirmed what tables it stocks. Both are the same mistake: committing to something physical while the data is still moving. Your guest list is not final until after the RSVP deadline, and it is not really final until the week of, because someone always cancels. Anything you hand-letter or print before then, you letter or print twice.
So the sequence is: room from the venue, groups from the guest list, names into seats, then wait, then print. Held in that order, DIY is genuinely a couple of evenings. Held in any other order, it's the task everyone warns you about.
Print at home, or pay a print shop?
Print shop is the default recommendation once you're above about fifty guests. You hand over a PDF, you get back a mounted 24×36in board, and the whole thing is one of the cheaper line items on a wedding — a small fraction of what an acrylic sign costs. It's also reprintable, which matters more than it sounds: being able to redo the board for a small cost after two cancellations removes the pressure that makes people leave errors up.
Print at home works by tiling — nearly every PDF viewer has a Poster or Tile print option that splits one large page across several letter sheets with a small overlap. Trim the overlap on one edge only, mount the sheets on card or foam board with spray adhesive, and align on the printed type rather than the paper edges. Done patiently this is convincing up to about 24×36in; past that the seam count grows faster than your patience. Cost is basically ink.
Either way, do the four-foot test before committing: print one column at full size, tape it to a wall, stand back four feet, and read it. Names want to be at least 24pt, headings 36–48pt. Full size and material breakdowns are on the seating chart board page.
Where DIY stops being worth it
Two honest thresholds. The first is guest count: above roughly 130 names, one surface can't hold legible type, so you're making a multi-panel set — and hand-lettering multiple panels is a full weekend. The second is schedule: if your count is still changing inside two weeks, choose the reprintable route and don't invest hours in a surface you'll be correcting with a paint pen the night before.
Neither threshold applies to the chart itself, only to the display. Building and rebuilding the underlying chart stays free and takes minutes, which is exactly why it belongs in a tool rather than on a poster. Start from a template if the room isn't built yet, or browse layout ideas as editable charts.
Build yours below
The editor starts on three long family-style tables — the most popular DIY-friendly layout, because long tables need fewer decisions than a dozen rounds. Paste your list, drag names in, export when you're ready. Nothing to sign up for.