Must be printed in a flexible filament if inserted after glasshouse is built as model must be pushed into the rails of a glasshouse (your glasshouse may be designed in a different way which means this model may not work with yours).
2 M4 nut and bolt required
Diagonal screw hole is for locking the model in place along the rail, insert nut into cutout at back for attaching the cross beam.
Version 1 is for attaching wood to with a screw, Version 2 has got a hole going through the model allowing for string to be fed through. (Version 1 i havent tested, it may be difficult to insert into rail as the nut may block it from being pushed in.)
TPU or some sort of flex filament must be used to be able to push model into rails of glasshouse/
The author marked this model as their own original creation.