That looks to me like Baltic Birch plywood, made, I think, in Finland.....at least it was back in my day. That's premium quality stuff and is a pleasure to work with. Rock solid and no voids and with very thin layers....not like the fir plywood made here - even the marine grade.
You can machine it to precise shapes and it takes a very nice finish easily, as in the picture in a previous post. BUT - the Birch plywood from years ago did not have waterproof glue and you had to be very careful in sealing and maintaining it or it would delaminate. I don't know if they use waterproof glue now - I think I read somewhere that modern versions do.
Gogittum,
corrupt ... correct observation the organizer is BB. and you are right about the older stuff and even have to be careful about the newer stuff
IIRC BB plywood can be had w/ WBP glue today you just have to read the stamp on the panel before you buy
the bottom 3 pics are showing Okoume & Meranti Marine plywood
the BB has more plies per thickness butt both are made of all veneer plies w/ zero voids and they really do machine and finish out nicely
as for marine fir plywood ... i can get it within 40 miles from this chair BUTT ... i drive over 300 miles and get the meranti and okoume which is what i use now
the round holes can be cut with either a hole saw or a fly cutter which is an adjustable device for wood only
Prime offers a General brand fly cutter for $25.02 that will cut from about 2" to over 7" diameter holes in wood and by simply rotating the cutter 90º you can cut inside flush holes or outside flush discs
they work well in a small DIYer bench top drill press
General Tools 55 Heavy Duty Circle Cutter. Adjustable 1-3/4 Inch to 7-7/8 Inch - Wing Cutter - Amazon.com
www.amazon.com
leon
