⚠️ IMPORTANT: This extender is designed to fit only window sills that are exactly 0.25 inch (quarter-inch) thick. Please measure your sill before purchasing to ensure compatibility.
🪟 Modular Window Sill Extender – Expand Your Space One Platform at a Time
Need more room on your windowsill for plants, décor, or organization? This custom-designed extender adds a sturdy, stylish platform without any drilling or damage — and you can place multiple units side-by-side to create a longer shelf.
Each unit provides one 5.5” x 5.5” usable surface area.
If you want additional width or more surface space, simply add multiple extenders to your cart.
✅ Features:
• Instant extra space — great for plants, décor, or storage
• No-damage installation — no screws, tools, or adhesives required
• Sturdy & lightweight — 3D-printed for strength and stability
• Modular design — combine multiple units to expand your shelf
• Minimalist aesthetic — blends seamlessly with any room
📏 Sizing Guide – Choose the Right Fit:
Available in 9 heights:
• 1 inch • 1.25 inch
• 1.5 inch • 1.75 inch
• 2 inch • 2.25 inch
• 2.5 inch • 2.75 inch
• 3 inch
Usable surface per unit: 5.5” × 5.5”
Fitting requirement: Window sill must be exactly 0.25” (quarter-inch) thick
🎨 Color Options:
Available only in Black or White
🛠️ Perfect For:
• Indoor plants / window gardens
• Small décor displays
• Apartments and limited space solutions
📦 Made to order & ships in 1–3 business days
♻️ Sustainably packaged
🇺🇸 Handmade in the USA
🌍 International buyers are responsible for any customs duties or taxes upon delivery.
