Simple KnifeMaking Jig made out of 70 [mm] angle iron.
Allows the attachment of large blades (easily up to 300 [mm]).
Huge amount of tapped holes helps in finding proper position for different bevel styles.
https://youtu.be/53bvc23di2w
Attachment 40953
I use M6 bolts with washers to clamp blanks to the Jig
Attachment 40954