chairs

I have been conversing with Norman Solomon with regards to having some points made for me and he is under the impression that Exactoscale no longer make the 4 bolt chairs although the EM gauge society has them for sale but could be old stock. Can anyone confirm if this is true? I would also like...

If anybody has some detailed drawings of special MR or GWR point or crossing chairs that they could send to me as a pdf or other format I will reward them with 3D printed chairs in 4mm or 7mm to make a point or crossing of their choice once the cad drawings have been done and chairs printed.

I have started researching the methods of track and point construction and hoping to embark on building an EM gauge layout. I have a large laser cutter and Templot on my computer and thinking of laser cutting all my track formations in .8mm ply sheet. The question is what is the best glue for...