Me again ;D
Tristar didn't provide the 18 upper screen hangers and just expect you to glue the screen to the upper support rail. Excellent kit and they pull that trick. 
I've got the Aber L/70(A) PE set and those are provided so this morning I made a jig to hold the center blade upright for soldering,not enough surface area for glue to hold.
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16 more retaining pins to make and the hangers will be completed.
FUN FUN FUN
Tony lee