January 20, 2026
Description
⭐ Love the GEN2 system?
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The GEN2 Modular System is a 3D printable storage solution offering ultimate flexibility and customization. Perfect for home users, hobbyists, and small businesses, so you can print exactly what you need and customize every piece to fit your space and style.
Unlike store-bought sets, GEN2 lets you print only what you need and expand your setup whenever you want. The drawers snap together seamlessly, giving you endless expansion possibilities. With the unique QuickLock mechanism, rearranging or relocating drawers is quick and effortless, so your storage can grow and adapt with you.
The GEN2 Case Cubby Insert converts a standard 185 mm drawer case into an open storage cubby with a smooth, flat base. It’s perfect for holding tools, adhesives, or accessories you want quick access to without a drawer. Simply drop it into your existing case to create a clean, functional open bay.
Decide how you would like to use your GEN2 storage. Keep in mind that the drawers are modular and can be easily swapped between under table and table top locations. All drawers are available for mounting under the table using rails, but you can also place them on top of any surface with table top kits.
Find these kits at JERRARI3D/gen2-modular-system
Attach GEN2 drawers under any surface by installing the GEN2 RAILS. Once installed drawers can slide and lock into place, they can then be swapped out and rearrange in seconds. | Table Top Kits include covers and foot rails that when combined with drawer cases create a rigid structure that can be placed anywhere |
Visit Jerrari3D.com for a list of all compatible drawers.
Understanding Part Names
GEN2 drawers are titled by length, width and height, such as in this example.
Includes affiliated links to help support my projects
• Filament
- PLA (Easy to print, works great for most parts)
- PETG (Stronger and tougher, but can warp more)
• Screwdriver
• Magnets (Optional): 10x2mm or 6x2mm
• M3 nuts and screws: Stainless-Steel or Steel
UNDER TABLE (GEN2 RAILS) HARDWARE
• Countersunk woodscrews: (SAE: #6 or #8 up to 1/2" or longer) or (Metric: 3.5x16mm or longer)
• Drill bit that is smaller diameter than the wood screws (My Recommendation)
• Pen, Marker, or Scratch Awl (for installing under tables)
🔧Visit Jerrari3d.com for Step-By-Step Instructions
- Print the Case Cubby Insert face down (flat surface down). The insert snaps into the the same slot as GEN2 Drawer Stoppers (if there are any drawer stopers installed you will need to remove them). Slide the insert into the case and press down to snap in place.
Tip:
Printing large models near the edge of a printer's build plate can sometimes lead to edge curling up deforming the rail. Here are some ways you can combat this:
- Clean your entire build sheet using detergent or 99% iso alcohol, additional adhesion can be achieved with glue sticks or adhesion promoters like Nano Adhesive
- Print with an enclosure to prevent drafts and cooler temperatures, preheat the enclosure for a few minutes prior to printing.
- After the print completes wait for the build plate to lower to room temp before removing the model.
- You can always print with materials that print easier and warp less during printing such as PLA
Please note: The Non-Commercial license refers specifically to selling prints. You're absolutely welcome to use my designs in commercial environments—I actually encourage you to use them anywhere you see fit! 👍
License:
Creative Commons — Attribution — Noncommercial — Share Alike
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