After analyzing the reviews, here are three cons and pros of the Master Print 3D app: **Cons:** 1. User interface is confusing, making it difficult for beginners to learn the app. 2. App often crashes or hangs, leading to lost work and frustration. 3. Limited features and functionality compared to other 3D printing apps. **Pros:** 1. App is user-friendly and easy to navigate once you get used to it. 2. Offers a wide range of pre-designed templates and settings for customization. 3. Provides detailed instructions and tutorials for making 3D prints. Note: Text is limited to 15 words each as requested.