File upload dimensions

Grabcad, a popular platform for sharing CAD files, typically supports various file types including STEP (STP) files. While Grabcad does not explicitly mention a strict file size limit in its documentation, issues with uploading larger files could be due to several factors, such as browser performance, network speed, or temporary server-side limitations.

### Potential Solutions:

1. **File Size Compression:**
- **Simplify Your Model:** If your STEP file is complex, consider simplifying the geometry or reducing the number of features to decrease the file size.
- **Export Settings:** Check the export settings in your CAD software. Sometimes, tweaking the tessellation settings can reduce the file size without significantly compromising the model quality.

2. **Splitting the Model:**
- **Divide and Conquer:** If the file size is too large, consider splitting your model into smaller sections and uploading them individually. You can later combine them in Grabcad or provide instructions for users to assemble the parts.

3. **Internet Connection:**
- **Stable Connection:** Ensure you have a stable and fast internet connection. Larger files require more time and bandwidth to upload.
- **Browser Choice:** Sometimes switching to a different browser can help. Google Chrome and Firefox are generally reliable for handling such tasks.

4. **Grabcad Support:**
- **Contact Support:** If you consistently encounter problems, contacting Grabcad support might be helpful. They can provide specific guidance or inform you if there are any temporary issues on their end.

5. **Alternative Upload Methods:**
- **FTP or Cloud Services:** If direct upload fails, check if Grabcad supports alternative methods like FTP uploads or integrating with cloud storage services.

6. **Platform Limitations:**
- **Check Updates:** Ensure your Grabcad account is up-to-date and that there are no known issues affecting uploads. Sometimes, platform updates or maintenance can temporarily affect functionality.

### Steps to Troubleshoot:

1. **Reduce File Size:**
- Open your CAD software.
- Simplify the model by reducing unnecessary details.
- Re-export the model with optimized settings.

2. **Check Network and Browser:**
- Test your internet speed.
- Try uploading the file using different browsers.

3. **Contact Grabcad Support:**
- Visit the Grabcad support page and submit a ticket detailing your issue.

By following these steps, you should be able to determine whether the issue lies with the file size, your network, or the Grabcad platform itself.