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Bath Bomb Mold STL Files for 3D Printing

This collection gathers STL files for bath bomb molds, from plain two-part spheres to novelty shapes and food-style cavities. It also includes soap molds and treat cutters that use the same round profiles. Useful if you want to press your own bath bombs on a 3D printer and change size or shape between batches. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 13/10/2026

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«Bath Bomb Mold STL Files for 3D Printing»

Most entries fall into two groups: two-part press molds that close around a sphere or egg, and molds for shaped forms such as hearts, clouds, dinosaurs or spacecraft. Some files are split into several pieces that align or bolt together, while others are a single shell you fill and press. Food-shaped molds — chocolate bar, doughnut, cake pop — follow the same idea with flatter cavities.

When choosing, look at the cavity diameter and wall thickness on the author's page, since both decide how much mixture a mold holds and how evenly it presses. Check the number of parts, how they align, and whether the author mentions supports or a specific layer height. Photos of real prints show how the seam line and surface finish come out.

To widen the search, try synonyms such as bath fizzy mold, soap mold or sphere press, and related terms like cookie cutter, keychain holder or gummy mold, which often share the same geometry. Adding a shape word — heart, bunny, dino, cloud — narrows results quickly. Marshmallow and cake pop cutters appear alongside bath molds because they use similar round profiles.

FAQ

Perguntas frequentes

What size bath bomb mold should I print?
It depends on the finished weight you want. Authors usually list the cavity diameter, so pick a size first and then check the wall thickness before scaling the file.
Do these molds need supports?
It varies with the shape. Flat-backed halves often print without them, while domes and overhangs may need them, and the author's page usually states which case applies.
Which material works for a bath bomb mold?
Authors commonly list PLA or PETG for the shell. The choice affects how rigid the mold feels and how it copes with moisture between uses, so read the notes on the model page.
Can the same mold be used for soap or treats?
Similar round and shaped cavities appear in soap molds and treat cutters, so the geometry often overlaps. Check the author's page to see what the file was designed for.
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