◆ Clay
Rainbow polymer clay earring cutter set
Three rainbow earring cutters, 25, 30 and 35 mm wide, for striped polymer clay rainbows.
◆ Clay
Three rainbow earring cutters, 25, 30 and 35 mm wide, for striped polymer clay rainbows.
A rainbow arc with a flat base, 25, 30 and 35 mm wide, drawn with a band wide enough for three to five stripes of clay and for the jump ring hole that each cutter punches at the top of the arc. Lay coils of colour side by side, roll them flat, and cut the rainbow straight out of the stripes. Good for rainbow earrings, pride and kids' jewellery, baby shower gifts and pastel spring collections. The pieces come out 25 x 12, 30 x 15 and 35 x 18 mm.
Made with our free cookie and clay cutter generator, not modelled by hand: we drew each shape at its size and uploaded it to the tool, with Cut detail into cutter switched on for the jump ring hole. The zip holds exactly what the tool gives you, one STL per cutter (a 0.8 mm blade, 14 mm tall, with a 4 mm rim to press on, printed rim down with no supports) plus each drawing as an SVG, so you can remake any of them at another size. Every cutter has a small tube inside that punches the jump ring hole in the same press, about 3.2 mm across with at least 1.6 mm of clay round it, so there is no drilling after baking and both earrings of a pair hang the same.
For polymer clay earrings: condition Sculpey Premo or Souffle, Fimo or Cernit, roll it 2 to 3 mm thick, dust the blade with cornstarch (or cut through cling film for soft, rounded edges), press straight down and lift. Bake the pieces on a tile as your clay's packet says, for most brands 110 to 130 °C (230 to 275 °F) for 15 to 30 minutes per 6 mm, then sand the edges, varnish or add UV resin if you like, and fit jump rings, ear wires or glued posts.
The same cutters cut air-dry clay, precious metal clay, fondant and gum paste, and dough for tiny cookies, but once a cutter has touched polymer clay keep it for clay: print a second set for anything you eat.
For clean stripes, roll each colour into a coil of the same thickness, press the coils together in an arc, then roll the slab once in the direction of the stripes before cutting.
Shown as a 3D render of the three printed cutters and the polymer clay pieces they cut, not a photo.
Print each file as exported: the rim flat on the bed, the blade pointing up, no supports.
Condition the clay until it is soft and roll it 2 to 3 mm thick on a tile or baking paper.
Dust the blade with cornstarch, or lay cling film over the clay for rounded edges.
Press the cutter straight down with a fingertip on the rim, wiggle it a little, and lift.
Push the clay plug out of the hole punch with a pin before the next cut.
Bake the pieces on the tile as your clay's packet says (most brands 110 to 130 °C, 15 to 30 minutes), never the cutter.
Let them cool, sand the edges, varnish if you like, and add jump rings and ear wires or glued posts.
Print details
| Works with | Clay |
|---|---|
| Printed parts | 3 |
| Print bed needed | 43 x 26 mm, 14 mm tall |
| Filament | ~7 g |
| Layer height | 0.2 mm |
| Infill | 15% |
| Supports | Not needed |
| Download | ZIP: three polymer clay cutters (3 STL) + drawings (SVG) + print and clay sheet + README |
| Added | 2026-09-26 |
Pro early access until October 26, 2026, then free with any account.
Make your own cookie cutter →Made with the free Cookie cutter generator. Upload your own shape and get the same kind of tool built from it, in your browser.
Free for personal use. Selling the pieces you cast needs a commercial licence (Pro or Founder); passing on the file itself is not permitted on any plan. Full terms.
New to casting? Read the cutter guide.
Roll three to five coils of different colours, press them side by side and roll the bundle into a flat slab about 2.5 mm thick. Place the rainbow cutter so the stripes follow the curve, or cut straight stripes for a modern look, and press.
It sits in the middle of the top of the arc, so on a striped slab it passes through the middle stripes. On the 25 mm rainbow the band is 7.5 mm wide, enough to keep 1.6 mm of clay on both sides of the 3.2 mm hole.
Yes: the 25 mm rainbow is a good stud size if you fill the punched hole with a dab of fresh clay before baking. The 30 and 35 mm rainbows are dangle sizes and hang level from the hole at the top of the arc.
Follow your clay's packet, since brands differ: Sculpey Premo bakes at 130 °C (275 °F), Fimo and Cernit at 110 °C (230 °F), for about 30 minutes per 6 mm of thickness, and thin 2 to 3 mm earrings still get the full minimum time. Use an oven thermometer, bake on a tile, and never bake the cutter.
Yes. Every drawing is in the zip as an SVG: upload one to the free cookie and clay cutter generator, set the Cutter size slider (8 to 120 mm) and switch on Cut detail into cutter to keep the hole punch. The hole scales with the drawing, so start from the drawing closest to the size you want.
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