Wunbe, I can't do pix (computer/camera illiterate) but will pull the gun out of the safe and measure the forend, then email you. In general, it is a short, blocky forend with minimal taper and a rounded ebony tip just like it was a square-ended, then had a full radius end cut on it. Looks "sorta British"; I copied it from a Henry (Brit single shot, not our Henry repeater) forend I saw in a book on English single shots. I remember it is 9" long, including the ebony tip; that's about 1 1/2" shorter than a 1A forend. Ebony block is 2 1/2" long.
I left it so full for two reasons: easier to make it less full if you don't like the final result (hard to ADD wood), and my #3 is a .30-40. Not exactly a cannon, but you still need something to hold on to! If yours is a .45-70, I would make sure your forend is a handful, too. For a Hornet or a .223, your could make a true "splinter". The Henry rifle I copied it from was a heavy caliber rifle with substantial recoil (some version of old .400 Express ctg.).
I made my replacement forend out of a spare #3 forend I bought from a gunshop. If I were you, I'd keep your original wood in case you ever decide to sell the #3; some guys want them original.