Mast access platform went like a charm right off the cuff beyond my wildest dreams.
I used a gas iron to avoid having to contact the brass parts and move them.
Using spacers wedges and all manner of improvisation I made a successful evening
The only points that will eventually be glued are the three legs of the mast, everything else just looks like its fixed.
I started by slotting the mast to take the frame but I filed a C section in the frame so it doesn't interfere with the mast possible cable route