Master smith(Starts with V.) in California does one. All mill work cut section down for scales and cuts blade section down. I have a D2 block in the shop from a guy who did one years ago.it is 3/4 by 1 1/2 by 9 inches long.
If you watch one of his demos on Instagram where he is finishing the gcarta for sale ,you will find he is spraying with WD40. I use it to sand . It polishes and keep the sanding in solution to clean off easy.
Sept 21 there will be a 4 states hammer-in held at Gentry Arkansas. Makers demoeing and table for sale set up. The hammer in rotates between Mo.,KS, OK. ,and ARK.
I carry an old Boker that I got at estate sale. One blade was broken so took apart and use with the two blades. Main clip had point broken so reground and now half of it is gone but still usable.