How to mount a mag plate?

Hello all,

My experience up until now has been with printing using photopolymer and a milled high base. It’s given me some success but I’m interested in switching to mounted magnesium. I know that I can order the plates pre-mountred to exactly type high which is probably preferable but I have heard it mentioned around here in passing that they are easily mounted.

Does anyone have a step by step on how I would go about doing that? I’m imagining that somehow I need to find some kind of either wood or other material that is exactly type high minus plate depth. Where do I find such a thing? How do I affix the mag plate to the base?


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You can get a honeycomb base and toggles to attach the magnesium. I think Don Black has all of this in stock… just be sure to order the correct base for whatever thickness of magnesium or copper plates you plan on using.

Hope this helps,

Honeycomb bases (and most other patent bases) were made for either 11-point duplicate or “shell-height” plates (.152”) or for 1/4” dies, but not for the standard 16 gauge original plates. Some photengravers do offer .152” plates today, and you’ll need to use that thickness with honeycomb. Or mount 16-gauge to a backing plate to bring it to .152”.
There has also been a little discussion here of the photoengraver Owosso’s own style of base, but apparently no users.