Elaine is right that both ChimeraX and old Chimera have hollow ribbons and if you clip them you see inside. Your first image looks like a tube (ChimeraX command "shape tube #1@CA" which is not an actual ribbon but just a tube surface. Hollow surfaces are capped. Tom
On Feb 27, 2026, at 9:05 AM, Elaine Meng via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hello Eliane, Sorry no, I can't think of any way to cap the ribbons so that they look solid instead of hollow.
However, I believe this is the same in Chimera and ChimeraX. Looking at both programs right now, when I slice the ribbon it appears hollow.
Best, Elaine ----- Elaine C. Meng, Ph.D. UCSF Chimera(X) team Resource for Biocomputing, Visualization, and Informatics Department of Pharmaceutical Chemistry University of California, San Francisco
On Feb 27, 2026, at 3:18 AM, Eliane Hadas Yardeni via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:
Hello,
Recently I downloaded the new version of ChimeraX and noticed that in the ribbon style the helices now look hollow. In the older version of chimera, the helices were capped. Is there a way to cap the helices in the new version? Below is an example from the old version and the new version:
Old:<image.png> New:<image.png> Thank you for your help.
Best, Eliane
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