Please visit the Rhino for Mac Discourse forum. You can search to see if your problem is mentioned and add your own comment to the topic. Or you can click New Topic at the top of the forums page to start a new topic.

To include files with your post such as screen shots or a .3dm file, at the top of Create a new topic window, click the Upload button .

If you have a small file that would help us find a problem, you can attach it to the post to the Discourse forum.

If your file is very large:

1. Go to the McNeel File Upload web page.
2. Enter your information and use tech@mcneel.com as the recipient address at McNeel. Be verbose in your description of your problem.

We want to fix the problems you see, but first we have to reproduce the problem on our computers. Writing a great bug report helps us do that. Include as much detail as possible, even if it seems obvious to you. A great bug report includes:

1. Each step you perform to reproduce the problem. When running commands, note whether you ran a command from the application, or typed a command. Be specific when describing the command you start.
2. What happened after each step.
3. What you wish happened instead.
4. A model that demonstrates the problem.
5. A screenshot of the problem.
6. A description of your hardware and Rhino version: Run the _SystemInfo command and save or copy the information. Paste or attach system info into the post or email.
7. Does this problem happen with every model, or just a certain model? If the problem is with just some models, we will need a copy of your model to duplicate the problem.

Assume you are the only person having the problem.