After referring to the designs of many grinding machine tool holders, I decided to use @http://thesorteddetails.blogspot.co.nz/2011/02/grinder-tool-rest-free-plan.htmlThe solution introduced in the article served as inspiration, and I decided to design a plastic knife holder on my own.

Version 2: The bolt holes on the base have been optimized and adjusted. The original hole diameter was not large enough to accommodate round-head bolts.