Plant Watering System - Self Watering Reservoir

FLOW Plant Ring is a plant watering ring and self watering reservoir for pots, planters and houseplants.

Use it for vacation watering and everyday plant care: fill the ring for direct watering, or add a cotton wick for slow 7+ day watering in the tested 600 ml setup.

⚙️ Key Features

💧 7+ day slow watering in the tested wick setup
🪴 Sits around the plant, like a water ring extension for the pot
🌱 Designed mainly for houseplants and vacation watering
🧩 Use one half or a full 2-piece ring set
🧵 Wick mode with user-added cotton cord or yarn
⏱️ Direct drain mode through two small holes
🖨️ Prints without supports

📦 Included

• S plant ring set: 600 ml full ring capacity, 2 parts on one plate
• M plant ring set: 900 ml full ring capacity, 2 parts on one plate
• L plant ring set: 1200 ml full ring capacity, 2 parts on one plate
• XL plant ring set: 1600 ml full ring capacity, 2 parts on one plate
• STL files for all sizes
• A1 mini 3MF print profile with 4 plates

• 

• One complete 2-piece ring set on each plate
• Separate S/M/L/XL print profiles are available for simple, quick single-size printing.

💧 Capacity

• S: 300 ml per half, 600 ml full ring
• M: 450 ml per half, 900 ml full ring
• L: 600 ml per half, 1200 ml full ring
• XL: 800 ml per half, 1600 ml full ring

🧵 Watering Modes

• Direct drain: water drains through two small holes in about 30 minutes in the tested setup.
• Wick watering: add cotton cord or yarn through the holes to slow the water release.
• 7+ day watering: confirmed in the tested 600 ml wick setup. A small amount of water may remain after day 7 and continue watering slowly.

🧵 Wick Setup

• Cut a piece of cotton cord or yarn.
• Thread the wick through the two small holes in one reservoir half.
• Leave both wick ends hanging down into the soil.
• Fill the reservoir and check the flow before longer use.
• Adjust wick thickness, length and soil contact to tune the water flow.

🧰 Best For

• houseplants
• vacation watering
• large indoor pots
• plants with multiple stems
• comfort watering between regular care
• creative tomato or planter setups

🛠️ How to Use

• Place one half or two mirrored halves around the plant stem.
• Let the parts stand directly on top of the soil.
• For direct watering, fill the reservoir and let water drain through the holes.
• For slow watering, thread a cotton wick through the holes before filling.
• Adjust wick type, wick length and position for your plant and soil.

🖨️ Print Notes

• PETG recommended for long-term moisture contact
• PLA profile included for easy printing
• 0.20 mm layer height
• 3 walls recommended
• Prints without supports
• Designed for A1 mini print profiles
• Main 3MF contains 4 plates: XL, L, M and S
• Each plate prints one complete 2-piece ring set
• STL files can be scaled if your printer bed allows it

Print Profile Estimates

• Full 4-plate profile: 13h16, 487.01 g, 160.70 m filament
• Plate 01: XL 1600 ml set, 4h27, 172.48 g
• Plate 02: L 1200 ml set, 3h32, 132.60 g
• Plate 03: M 900 ml set, 2h53, 101.70 g
• Plate 04: S 600 ml set, 2h25, 80.23 g

⚠️ Notes

Watering time depends on wick material, soil density, plant size, temperature, humidity and reservoir size.

Cotton wick, cord or yarn is not included. Use your own wick material and test the flow before leaving plants unattended for longer periods.

🧩 Part of the FLOW System

FLOW is a Component watering system for practical plant care, slow watering and simple vacation setups.

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