
Description: STLFinder is a free, open-source tool for finding and downloading 3D printable models and STL files from across the internet. It allows you to search multiple model repositories in one place and preview models before downloading.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Threeding.com is a 3D printing marketplace and community where users can buy and sell 3D printable models and services. It features a large collection of 3D models across various categories that can be downloaded and printed.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API