The process is called fractal burning or lichtenburg burning. Running
How to apply shellac as practical wood finish - Paul Sellers' Blog
73 - Coloring Blotchy Woods - The Wood Whisperer
How To Make a Tie Dye Frame
Dye Stain: Water Based, Low VOC
This is probably the richest Purple Heart I've had. : r/woodworking
ArtToFrames 8x8 inch Red Stain on Beech Wood Picture Frame, WOM0066-81792-YRED-8x8
Customize with a name!
Tie Dye Funky Lifestyle Picture Frame - Deep Color - Made with a Recycled Plastic
dyeing mahogany - General Woodworking Talk - Wood Talk Online