Breadboard helper

This screws on to the corner of a breadboard to keep food like bread from sliding off when you butter it, this is especially useful for anyone with a hand-arm disability. The lomg side has five mm wide slots that are ten mm wide for cutting veggies and such. The screw holes are countersunk and four mm stainless steel screws are recommended. You won't need supports and you can use whatever infill and wall settings you like.