Log Bird Feeder - 23 DIY Birdfeeders That Will Fill Your Garden With Birds (my note: I haven't looked at all of these, but at least one is a terrible idea. The window birdfeeder -- birds could fly into the glass and hurt themselves.
Cheap sliding barn door track, Buy Quality barn door roller directly from China door track Suppliers: DIYHD Soft close single door sliding barn door track system barn door roller with soft close mechanism
Sculptured bench, cube or vertical column that can be used as seating or side tables made from coppiced hazel. Recommended for internal use. Dimensions: Stool/sidetable: x x Cube: x x Bench: x x - inc vat