This reader used an "acid base stain" 40 years ago to stain some birch doors, Michael Dresdner has some ideas on how to make a similar finish today.
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Walnut Hollow's hardwood veneer plywood panels are as great-looking as they are versatile. Featuring clean, smooth, natural birch woodgrain on both the front and back faces, these plywood panels are perfect for a wide variety of home DIY wood projects and wood crafting projects - anywhere a beautiful, real-wood look is a top priority. Or if a natural finish isn't part of your plan, its smooth wood canvas surface is ideal for custom finishes like paint, stain, etc.
Handprint 1/4 in. 12 in. x 12 in. Birch Plywood 438046
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Acid dye as a color wood stain. : r/woodworking
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