STL Files | 3D Printable Sensory Trays – Playtessori

3D Printable STL Files for Montessori Sensory Trays

Browse our full collection of 3D printable STL and 3MF files, designed for creating Montessori-inspired sensory trays, sorting toys, and educational tools. Each file is available with two license options — Personal/School for home and classroom use, or Commercial for printing and selling unlimited physical products.

Our designs range from farm animals and ocean creatures to seasonal themes like autumn pumpkins and Halloween motifs, all optimized for FDM 3D printers using PLA filament, with no supports required.

What's included in each STL file listing?
Every listing includes ready-to-slice STL and 3MF files, instant digital download, and a choice between Personal/School or Commercial license.

What license options are available?
We offer two license types on every STL file: a Personal/School license for home, homeschool, and classroom use, and a Commercial license that allows unlimited printing and selling of physical products made from the file.

What printer settings do I need?
Our files are tested and optimized for FDM 3D printers, print without supports, and are recommended to be printed in PLA filament.

Can I resize the files?
Yes, all files can be resized in your slicer to fit your specific printing needs.