Tapered Voronoi Clay Rollers

These Voronoi-patterned rollers for embossing patterns onto clay curve up at each end so they don't leave a tell-tale border line between successive passes. Each roller features a unique pattern. They come in two cell sizes: Coarse and Fine. Each comes in three lengths: 80, 120 and 160 mm (3.1, 4.7 and 6.3 inches).

They're easy to clean because they're hollow, but the struts between Voronoi cells are sturdy enough to make strong cylinders.

The end openings are about 6mm. A rod, tube or dowel 6mm or 1/4" should fit through the cylinder, converting it into a rolling pin if that's a more comfortable way to work. To slightly enlarge the opening, use a hobby knife or an edge scraper. If you want to use a pencil, I suggest printing the model at 102%.

I printed them in ABS on a Prusa Core One. Should work fine in PETG or PLA. I added a 16mm brim for stability and organic supports on the first 12mm.

Thanks to the Printables member who suggested eliminating the hard borders on my earlier Voronoi rollers and had the bright idea of adapting it to a pencil.

Check out my other clay stamp models in this Clay/Pottery Stamps Collection.