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Onion Maggot Fly Sticky Trap Repair
One of the sticky traps absorbed a mighty blow during the season and its ski-pole mount snapped off. Rather then rebuild the whole thing, I decided to just epoxy the pieces together and stick a reinforcing plate on the bottom.
I added a pair of screw holes to the OpenSCAD model and produced a projection of the bottom layer:
if (Layout == "Projection") { projection(cut=true) { Attachment(); Cap(); } }Which looked like this:

Sticky Sheet Cage – projection Cutting that shape from an adhesive sheet looks the same:

Onion Maggot Fly Trap – adhesive sheet The somewhat raggedy large hole seems to come from OpenSCAD’s somewhat low-res SVG outline conversion.
Fill the broken part with epoxy:

Onion Maggot Fly Trap – epoxy ready Clamp it together on a plate to keep the bottom aligned:

Onion Maggot Fly Trap – clamping Cut an acrylic baseplate:

Onion Maggot Fly Trap – acrylic cut Apply adhesive sheet to acrylic, stick it on the bottom of the cage, add a pair of stainless steel screws, and declare victory:

Onion Maggot Fly Trap – bottom view We’ll see how long that lasts out in the garden next year …