The buttery maker space
Turn any image into a
3D-printed bookmark.
Drop in a drawing, a logo, or an inked sketch and get back a bookmark ready to 3D print.
How this tool works
Bold outlines come out crispest, and photos work too. You get a slicer ready bundle in one ZIP: a 3MF project file plus a matched single body STL. Print it straight from the ZIP, and paint your colors per region in your slicer.
ButterySpace convert studio
5 free pats a day · how it works
SVG and format conversions use 1 pat; 3D outputs use 2. No purchase or sign-in. Churn a free refill when you run out. Allowance is shared by your network.
What do I do with this file? Open the guide →
Your bookmark is ready.
Spin your bookmark in the preview above, then drop the ZIP into your slicer and print. The preview is the plain STL; color gets painted onto the 3MF in your slicer. The bundle includes both file types so you don't have to pick:
- bookmark.3mf 3MF project file; single object; add color in the slicer
- bookmark.stl Same geometry as a single body; works in mainstream slicers
Saved to your files for 24h · having trouble opening your bookmark ZIP? Quick-start guide.
Your Color Book is ready.
Print the relief tile in one solid color (white works great), then color it in by hand, both between the raised lines and over the lines themselves. Paint markers, crayons, or pencils all work.
- coloring.3mf 3MF project file; raised lines on a base plate
- coloring.stl Same geometry as a single body; works in mainstream slicers
Saved to your files for 24h · new to Color Book? Quick-start guide.
Your lithophane is ready.
Spin it in the preview above, then slice and print it standing up at 100% infill. Held up to a light, the thickness becomes your photo: your actual photo, not a stylization. The bundle includes both file types so you don't have to pick:
- lithophane.3mf 3MF project file; the frame is pre-assigned a second filament, zero painting
- lithophane.stl Same geometry merged into a single body; works in any slicer
- README.txt Print notes: vertical orientation, 100% infill, light source behind
Saved to your files for 24h · new to lithophanes? Quick-start guide.
Questions, answered
What can I upload?
For image conversion and bookmarks: PNG, JPG, or WebP up to 20 MB. The format converter also reads iPhone HEIC, plus AVIF, TIFF, and BMP. To repair an existing SVG: an SVG up to 2 MB. You get a clean SVG back, plus the bookmark ZIP (3MF + matched single body STL) for bookmark conversions.
Do you store my files?
Only briefly. Your files are sent to the engine, processed, and handed back, and never sold. They auto-delete within 24 hours. If you opt in to product improvement, we keep that session’s files for up to 30 days and use them to improve our algorithms.
What is a pat?
A pat is one free use, named after a pat of butter. You get a few at no cost, and they are not a purchase. A clean SVG, an SVG repair, or an image format conversion is one pat; the 3D outputs (bookmark, Color Book, rounded STL, lithophane) are two. When they run out, churn the butter for more.