Think about what is on your grandparents' shelves. Photos. Drawings from the grandchildren. A card from three Christmases ago. Not one of those things is useful, and every one of them gets shown to visitors. That is the whole brief for a grandparent gift: it has to carry a face, a voice or a name, and it has to be easy to display.
A 3D printer is unusually good at this brief, as long as you resist printing the clever thing. Below are the gifts that worked for our own families, with the settings that make them work for older eyes and hands.
1. A photo puzzle with big pieces
The obvious one, done right. A photo of the grandchildren printed as a jigsaw is a gift and an activity in one: they assemble it on Christmas afternoon with the kids, then it goes into a frame. Three settings matter for grandparents:
- Fewer, bigger pieces. In the Universal Puzzle generator set the piece count yourself: 30 pieces on a Large (210 mm) puzzle gives pieces around 35 mm, comfortable for arthritic hands; 48 pieces gives about 25 mm. The generator never makes pieces smaller than 12 mm, but 12 mm is for teenagers.
- High contrast. Grey hair against a light background disappears in a 4-tone relief. Turn contrast up until the face reads clearly in the preview; glasses frames and smile lines are what make a portrait recognisable.
- A frame with a stand. Add it in the generator and the puzzle stands on the sideboard the moment it is assembled. Nobody has to find a frame that fits.
2. The grandchildren's voice on the wall
Record the kids saying “We love you Grandma” or singing two lines of a carol, and print the sound wave as a small plaque with their names and the date. The soundwave generator is free, the audio never leaves your browser, and a plaque prints in about thirty minutes. It is the gift most likely to make someone cry, in the good way, and it costs under a dollar in filament.
3. A photo box for the things they keep
Grandparents keep things: the first tooth, a lock of hair, letters, the good jewellery. A Photo Box with the grandchild's photo in relief on the lid gives those things a home. Size it to what they keep; the generator prints the lid in your photo colours and the body in the base colour, so the box looks like a bought object, not a print.
4. Fridge magnets instead of a frame
Some grandparents will never hang anything. For them, tick the magnet pocket option in the puzzle generator: every piece gets a pocket on the back for a cheap round magnet, and the assembled puzzle lives on the fridge door. It also solves the question of where the puzzle goes after Christmas.
5. A puzzle of a photo they took
Grandparents have the oldest photos in the family. The wedding picture, the first car, the house they grew up in. Scan it with your phone, let the generator handle the faded colours (the recommended palette usually lands on warm browns and ivory, which make an old photo look intentional), and print it as a puzzle. This is the one gift on this list that only you can give them.
Getting the photo right
- One face or two, filling the frame. A group of eight at the beach becomes eight blobs in relief.
- Light from the front, not behind. Backlit faces turn into silhouettes.
- Glasses are fine. They print as clean dark lines and help the likeness.
- If the only photo you have is dark or busy, use the generator's AI looks (Clean background, Cartoon poster) to simplify it before printing. Cartoon poster in particular makes a soft phone photo print like a screen print.
Timing for Thanksgiving and Christmas
A Large puzzle with a frame is roughly a 10-hour print, so plan one evening per gift plus one evening for a test. If you are mailing the gift, add a week. Our print schedule for the holidays has the full table. The first two generations every month are free at tanskylab.com, which is enough for a test Mini and the real thing.