3D Printing for Plant Pots and Gardening
Why not PLA outdoors
PLA degrades in UV over months. PLA also softens in summer sun, which means heavy pots can sag and crack. For decorative indoor planters PLA is fine; for any pot that lives on a balcony, deck or garden, step up to PETG or ASA.
Material picks by location
- Indoor decorative pots: PLA, silk PLA, matte PLA (any visual finish)
- Indoor functional planters: PETG (waterproof, handles drainage)
- Outdoor shaded pots: PETG (good UV for shaded positions)
- Outdoor sun-exposed pots: ASA (UV stable, won't yellow)
- Hydroponic and sub-irrigation: PETG (food-safe-base, waterproof)
Design tips for printed planters
- Drainage holes at the bottom (always, root rot kills more plants than under-watering)
- Internal drip tray or saucer to catch overflow
- Walls at least 3 perimeters for waterproofing
- Vase mode print for thin decorative pots (single perimeter)
- Test the watertightness with water before planting
Sealing for true waterproofing
FDM prints have microscopic gaps between layers that can weep over time. For genuinely waterproof pots, either print in vase mode at slow speed (fuses layers), or apply a food-safe epoxy or polyurethane sealer to the interior.
Sydney 24/7 pickup
Sydney customers can collect at any hour from the 24/7 self-serve pickup locker at the Siddament warehouse, 90 Victoria Road, North Parramatta NSW 2151. Order online, pick up at 2 am if you need to.