Tinkerframe ET12 Mini lid - Replacement lid for 12x12 Exo Terra Mini terrarium
from $30.00
Acrylic:
Solid insert kit:
Feeder Cap:
Misting nozzle adapters:
Cord pass-through caps:
This 3D printed replacement/upgrade lid is designed to fit the Exo Terra Mini Natural Terrariums line of front-opening terrariums in sizes 12"x12"x12", 12"x12"x18", and 12"x12"x24". It is not compatible with other brands or models. These don't fit the new Pro series (as far as I know).
🪴 Terrarium not included.
🧩 Design & Construction
This lid is printed in a single solid piece and comes preassembled for convenience.
It includes:
A built-in fine mesh section along the front and back for ventilation
An 8"x10" acrylic panel preinstalled in the center
The ET design provides a sleek, all-in-one lid solution, combining function, fit, and simplicity.
⚙️ Functional Features
Each lid includes three pre-threaded holes:
One in the front center
Two in the back corners
Each hole includes a flush screw-in plug for a clean look and easy customization.
You can configure these openings with optional accessories available in our shop:
Feeder caps – allow feeding or watering without opening the doors
Misting nozzle adapters – fit standard-sized 5/8" misting nozzles (adapter reduces hole size from ~1" to standard)
Cord pass-through caps – for neatly routing cables or tubing
Solid vent insert kit – includes plastic strips that install under the lid, over the mesh, and are held in place by clips to block airflow when higher humidity is needed
All optional parts can be swapped easily, or you can simply keep the holes capped.
🕸️ Ventilation
The built-in fine 3D-printed mesh provides excellent airflow and safety:
It won’t rust or corrode
It’s safe for tarantulas and small species (no toe-catching)
It’s fine enough to prevent fruit flies and other small insects from escaping
Optional solid vent inserts let you block airflow while keeping the mesh intact — ideal for maintaining high humidity environments.
🧰 Compatibility
Designed exclusively for Exo Terra Mini terrariums (12"x12") — models 12", 18", and 24" tall
Requires tanks with half-circle top latches (modern style).
⚠️ Older Exo Terra models with different latch systems may not fit unless latch points are removed.
Not compatible with other brands or unlisted models.
🧡 Customization & Bulk Orders
If you need a custom version or a bulk order, please contact us directly! We can often make small adjustments for free, or for a small fee if additional design time is required.
🐾 Trusted Quality
Printed in one solid piece — no assembly required
Includes preinstalled 8"x10" acrylic sheet
Built-in fine mesh front and back
Three capped multi-use holes for misting, feeding, or cords
Optional solid vent insert kit to block airflow for high humidity
Safe, rust-free, and fruit-fly proof
Compatible only with Exo Terra Mini terrariums (12"x12")
🕷️ Tom’s Big Spiders uses and loves our lids!
This 3D printed replacement/upgrade lid is designed to fit the Exo Terra Mini Natural Terrariums line of front-opening terrariums in sizes 12"x12"x12", 12"x12"x18", and 12"x12"x24". It is not compatible with other brands or models. These don't fit the new Pro series (as far as I know).
🪴 Terrarium not included.
🧩 Design & Construction
This lid is printed in a single solid piece and comes preassembled for convenience.
It includes:
A built-in fine mesh section along the front and back for ventilation
An 8"x10" acrylic panel preinstalled in the center
The ET design provides a sleek, all-in-one lid solution, combining function, fit, and simplicity.
⚙️ Functional Features
Each lid includes three pre-threaded holes:
One in the front center
Two in the back corners
Each hole includes a flush screw-in plug for a clean look and easy customization.
You can configure these openings with optional accessories available in our shop:
Feeder caps – allow feeding or watering without opening the doors
Misting nozzle adapters – fit standard-sized 5/8" misting nozzles (adapter reduces hole size from ~1" to standard)
Cord pass-through caps – for neatly routing cables or tubing
Solid vent insert kit – includes plastic strips that install under the lid, over the mesh, and are held in place by clips to block airflow when higher humidity is needed
All optional parts can be swapped easily, or you can simply keep the holes capped.
🕸️ Ventilation
The built-in fine 3D-printed mesh provides excellent airflow and safety:
It won’t rust or corrode
It’s safe for tarantulas and small species (no toe-catching)
It’s fine enough to prevent fruit flies and other small insects from escaping
Optional solid vent inserts let you block airflow while keeping the mesh intact — ideal for maintaining high humidity environments.
🧰 Compatibility
Designed exclusively for Exo Terra Mini terrariums (12"x12") — models 12", 18", and 24" tall
Requires tanks with half-circle top latches (modern style).
⚠️ Older Exo Terra models with different latch systems may not fit unless latch points are removed.
Not compatible with other brands or unlisted models.
🧡 Customization & Bulk Orders
If you need a custom version or a bulk order, please contact us directly! We can often make small adjustments for free, or for a small fee if additional design time is required.
🐾 Trusted Quality
Printed in one solid piece — no assembly required
Includes preinstalled 8"x10" acrylic sheet
Built-in fine mesh front and back
Three capped multi-use holes for misting, feeding, or cords
Optional solid vent insert kit to block airflow for high humidity
Safe, rust-free, and fruit-fly proof
Compatible only with Exo Terra Mini terrariums (12"x12")
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