Hi Yaohui,

  You can make an arrow from a cylinder and cone.

open 13880 from emdb
vol #1 originIndex 123
shape cylinder from 0,0,0 to 0,0,30 color yellow
shape cone from 0,0,30 topoint 0,0,40 color yellow radius 3

Documentation

https://www.cgl.ucsf.edu/chimerax/docs/user/commands/shape.html

  Tom






On Mar 22, 2022, at 3:08 AM, lvhailiyaohui via ChimeraX-users <chimerax-users@cgl.ucsf.edu> wrote:

Dear Sir or Madam,
    This is Yaohui Li, a ChimeraX user educationally. We are trying to prepare a figure with rotation axis by chimeraX, but haven’g found a way to draw the rotation axis yet. Could you give us any suggestions on drawing the rotation axis in ChimeraX? Thanks a lot! Looking forward to hearing from you!

Bests,

Yaohui


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