Make the arrow be the correct size when you initial render.
Make the arrow be the correct size when you initial render.

mathturtle/tomviz,yijiang1/tomviz,thewtex/tomviz,mathturtle/tomviz,Hovden/tomviz,OpenChemistry/tomviz,cjh1/tomviz,OpenChemistry/tomviz,cjh1/tomviz,OpenChemistry/tomviz,cryos/tomviz,cjh1/tomviz,mathturtle/tomviz,thewtex/tomviz,yijiang1/tomviz,cryos/tomviz,Hovden/tomviz,OpenChemistry/tomviz,cryos/tomviz,thewtex/tomviz