Rocketbook Red Triangle for whiteboard

HAS TO BE PRINTED IN BRIGHT RED!! Rocketbook has an app that lets you take photos of their reusable notebooks (which are awesome, by the way) and turns them into clean, scanned-like images. They're big on open-source, too --you can print your own pages to write on. The app neatly removes background colors, transforming them into a crisp white, often outperforming your average scanner app.One of the apps standout features is the ability to take photos of whiteboards or similar boards. To do this, you need four bright red triangles to mark the corners of your board, helping the app know where to crop the image.Since I use a magnetic whiteboard, I created a 3D-printed solution where I can press magnets into the triangles, allowing me to move them freely on the board.Important details:Magnet size: 12mm diameter, 3mm heightFilament color: BRIGHT RED (This is crucial for the app to recognize the corners correctly)If your lighting is angled, you might see black shadows in the corners, whi