Preparation, Submission & Presentation

The ACA will notify poster presenters as to when they can access the poster system to build a poster, via email in early July.  

The American Crystallographic Association has partnered with Genigraphics to provide poster session services for this year’s Annual Meeting . Posters will be available for viewing during and will remain available in our digital archive. Our poster session includes interactive features to help you present your research virtually both synchronously and asynchronously such as Audio, Zoom, Chat and Video.

Go to to upload your ePoster file.
There is no charge for submitting your file and the process takes only a few minutes.

The deadline to upload is 2:00 pm Eastern Time on Sunday, July 25, 2021.

Please CLICK HERE to download the full instructions on how to submit a poster.


Poster Sessions

There will be FOUR poster sessions @ ACA2021.  Poster presenters will be given a dedicated breakout room within an ACA main ZOOM room, exhibitors will also have dedicated breakout rooms.  Breakout room participants will have the same audio, video, and screen share capabilities as allowed in the main session. 

Whether you are a presenter or a participant, in order to make sure that you can visit all of the breakout rooms please make sure you have the most current version of ZOOM before you join the poster sessions.  Details on participating in breakout rooms and the ZOOM requirements can be found here.


Virtual Display

The virtual poster display will be hosted on by the ACA.  You are the copyright holder of the work presented on your poster. You may want to review About The Licenses: Creative Commons licensing, and choose to display this information on your poster.

The ACA considers reuse of poster material (including any form of transmission/upload/or otherwise making available a poster) without the explicit consent of the copyright holder to be unethical, and possibly illegal, but distribution of material may still have implications for intellectual property and publication.