Stamp Maker (Koolm)
Hugely popular MakerWorld customizer for stamps with text, icons or SVG
Opens makerworld.com

About Stamp Maker (Koolm)
Stamp Maker by Koolm is one of the most popular customizable models on MakerWorld, with more than 23,000 likes, 15,000 printed makes and over 160,000 customisations. It turns text, an emoji-style icon, a mix of both, or your own SVG file into a stamp design with a screw-on handle.
You open MakerWorld's online customizer, pick the content and stamp shape, then adjust size, fonts, colours and edge treatment before exporting a 3MF or STL. The author suggests lightly sanding the raised face so ink holds better and impressions look cleaner.
It suits crafters, teachers and small businesses who want a personal stamp for cards, packaging or stationery. It is designed mainly for ink pads, so for cookies, clay or soap a dedicated embossing stamp may give crisper results. A free MakerWorld account is needed to customize and download.
What you can make
- Ink stamps
- Text stamps
- Logo and SVG stamps
- Icon stamps
How to use it
- Open the model on MakerWorld and click Customize
- Choose text, icon, both or an SVG
- Set size, font and stamp shape
- Export, print and fit the handle
Good
- Text, icons or your own SVG
- Huge number of successful prints
- Screw-on handle included
Not so good
- Aimed at ink stamping rather than dough
- MakerWorld account required
What you'll need to print it
Materials and parts that give the best results with Stamp Maker (Koolm).
PETG for functional and outdoor prints
PETG handles heat, sunlight and repeated flexing better than PLA, so Gridfinity bins in a hot garage or signs mounted outdoors keep their shape.
- Bambu Lab PETG BasicUpgraded formula that Bambu says matches PLA Basic for strength while staying impact-tough; low price per spool in multi-roll bundles.
- Polymaker PETGHigh-flow replacement for PolyLite PETG: strong, low-odour and quick to print.
- Overture High Speed PETGGood-value PETG in a large colour range for functional parts in bulk.
White PLA for lithophanes
A lithophane is only as good as the light passing through it. A neutral, evenly pigmented white gives smooth grey gradients, while an off-white or patchy batch shows up as blotches and colour casts once it is backlit.
- Bambu Lab PLA Basic Jade WhiteThe white Bambu uses in its own lithophane workflow; RFID presets make first prints predictable on Bambu printers.
- Polymaker PolyLite PLA Cold WhiteA cool-toned white (listed next to the warmer standard White) that keeps backlit photos crisp instead of yellowish.
- eSUN PLA+ WhiteAffordable and easy to find, good for large or batch lithophane panels.
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