Shelf Extension for Plant Pot

A tape-mounted round shelf that extends a narrow window sill just enough to hold a plant pot, up to 178 mm across. No drilling.

WHAT YOU GET - Holds a round pot up to 178 mm across - 178 mm inner well with a 5 mm rim so the pot cannot slide off - Triangular gusset carries the load onto the wall below the sill, not just the sill edge - Recessed well doubles as a shallow catch for water running out of the saucer - One printed part, 190 mm tray, 125 mm total height, no fasteners

FIT CHECK - As printed: 190.0 x 190.0 x 125.0 mm; gusset 21 mm thick, dropping 100 mm below the tray - Sill depth is not critical - the tray only needs enough sill to rest on, the gusset carries the rest - Mounts with strong double-sided tape on the tray underside and on the gusset back face - Every photo is the actual printed part in PLA on a real window sill, no renders

SAFETY

Read this before you load it: - How much it holds depends on your tape, your wall surface, and where the pot's centre of gravity sits - Clean and dry both contact surfaces, then let the tape cure fully before loading - most tapes need 24 hours - Keep the pot centred in the well, start with a light pot, and check the bond periodically - Do not use it above a walkway, a bed, or anywhere a fall would land on a person or a pet

PRINT SETTINGS

Bambu Lab P1S with a 0.4 mm nozzle, stock 0.20mm Standard profile. - PLA (Bambu PLA Matte on the test print) - 0.20 mm layers / 4 walls (load bearing - do not go below this) / 15% infill - Supports: yes, normal (auto) - the gusset overhangs the tray, and the bundled 3mf has them switched on

SUPPORT ME

If this design was useful to you, you can buy me a coffee: https://buymeacoffee.com/seewaderu

NEED A DIFFERENT SIZE?

STEP file is included, so you can resize the well for a different pot or change the gusset drop for a different sill. The full Onshape source is public too: https://cad.onshape.com/documents/a2e7b757826b61a3a1ed568b/w/acadfc7d1369f797b6293381/e/13d708cff607cee0e52d0bc6

LICENSE: CC BY-NC