I'll be at 3DPrintopia in Philadelphia, Sept 26 to 27. Come see MODULITH in person. Details
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About MODULITH

Who makes it, what it is, and how to reach the person behind it.

Who

MODULITH is designed and made by Jerrari - Joey Gasper, one designer, working as Jerrari Design. It started in 2019 as a single drawer for one workbench, printed on a used Prusa MK2, and has been designed and photographed at that same bench ever since - the original parts were tested there, and it is still where the work happens. There is no team behind the name: the parts, the Planner, the guides and the videos come from one person, with a Club of members and a community of builders around it.

Jerrari at the workbench, mid-explanation, orange drawers under the desk behind him.
The designer, at the bench where it started.

What it is

A 3D-printable modular storage system. Cases connect on a shared grid with a printed QuickLock, drawers and shelves fill them, and the whole thing mounts on a desk, under a surface, or on a wall. Nothing you print becomes obsolete: every part released since 2022 fits every other, and the newest release fits a case printed in 2022. The How It Works page shows it in ninety seconds; the story tells how it came to be.

A freestanding MODULITH tabletop build: nine orange drawers of four sizes in black cases on a wooden desk.
A tabletop build: cases, drawers, covers and feet, all printed.

How it is made and shared

The files are what is shared: print it yourself, on your own printer, in your own colors, or buy prints from one of the makers who print and sell MODULITH parts. The core system is free: cases, drawers, covers, rails, hardware and several faceplate styles download at no cost from Printables, Thangs and MakerWorld, and the Planner lays out a build and lists every file it needs. The Club is what funds the ongoing design work; members get the club faceplate and handle series and a say in what comes next.

An under-cabinet workshop build: drawers, and a power tool hanging on its own holder.
Under a workshop cabinet: drawers and a tool holder on the same rails.

Where to see it in person

Builds you can pick up, open and handle, and the designer to talk to.

  • See MODULITH in person3DPrintopia · Philadelphia · September 26 to 27Pennsylvania Convention Center, 1101 Arch StreetI'll have MODULITH builds there to see and handle.Event details
The booth at 3DPrintopia 2025: a Prusa CORE One printing beside kits, sample builds and the jerrari3d.com table.
The table at 3DPrintopia 2025.

Press, podcasts and collaborations

Interviews, reviews, event coverage and collaborations are welcome - In the Wild lists the ones so far, with every entry credited and linked. The quickest way to reach Jerrari is a message on X or a comment on YouTube. Reviewers and designers wanting files, renders or a build to photograph: ask, and say what you are making.

Karen Chau, Pooch of Repkord and Jerrari at the Prusa booth, 3DPrintopia 2024.
3DPrintopia 2024, with Karen Chau and Pooch of Repkord. Photo shared with their permission.

Follow the work

New parts and builds show up on YouTube and X, everything printable lives in the catalog, and what is new on this site is always at the top of the homepage.

Privacy

This site keeps no account and sets no cookies. Page views are counted with GoatCounter, which records the page, the referring site and a coarse country, and nothing that identifies you. Video cards load a thumbnail from YouTube, and playing one loads YouTube itself, under its own terms. Links to Amazon are affiliate links, and every page that carries one says so.

Five milestones

Read the full story → - seven years with the photographs, the prototypes and the decisions. The shortest version:

  1. Summer 2019
    The first drawer

    A single, non-modular drawer, designed as personal storage for a new 3D-printing hobby on a used Prusa MK2.

  2. June 2022
    GEN2 is born

    The system is reimagined around a modular case and mounting architecture. The system-wide compatibility promise begins here.

    Still the architecture today
  3. March 2024
    QuickLock

    The QuickLock mechanism lands: storage that swaps around in seconds rather than minutes.

    Still in the system: QuickLock
  4. November 2025
    Cubby Shelf

    The system expands beyond drawers into open storage.

    Still in the system: Shelf Inserts
  5. 2026
    GEN2 becomes MODULITH

    Same system, same parts, a permanent name.

    The rename, explained