Printer Tools App
The definitive dashboard for your 3D printer. Connect printers from BambuLab, Klipper, OctoPrint and Creality from anywhere
https://printertools.app

Scooter Tools App
Support Xiaomi and Ninebot Scooters with Official or Custom Firmwares on iOS, iPadOS and macOS
https://scootertools.app

AdMate App

Manage your advertising revenue for AdMob and AdSense in real time on iOS, iPadOS, macOS, and watchOS

https://admate.dev

Here you have the calibration test for the Ender 3
Bed - 220 x 220

Model available at Printables
https://www.printables.com/model/1051947-bed-leveling-calibration-ender-3

Models

https://www.printables.com/@fixolab