Gridfinity Pittsburgh Pro Pin Punch Holder (Harbor Freight 66440)
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A compact 3U Gridfinity organizer designed to hold the 6 pin punches from Harbor Freight/Pittsburgh Pro 66440.
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Model information
- Source
- Printables
- Category
- Organizers
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Designed from the ground up for clean, durable toolbox organization using the Gridfinity system.
This model was inspired by the excellent tool organization work of RobNordic, but every dimension, fitment, and feature in this design was created independently from scratch around my own tools and workflow.
Features:
Standard 3U Gridfinity height
Stackable Gridfinity-compatible lips
Magnet-free design
Designed for real-world toolbox use
1mm text height for title and labels
I specifically chose a no-magnet approach to keep printing simple, reduce hardware costs, and make the organizers easy to move, remix, and reprint.
This holder is designed for the Harbor Freight Pittsburgh Pro Cold Chisel and Punch Set (SKU 66440 / 56487), specifically the 6-piece pin punch section including:
1/16" pin punch
1/8" pin punch
5/32" pin punch
3/16" pin punch
1/4" pin punch
5/16" pin punch
I decided to split the original case into separate dedicated holders to improve organization and make the tools easier to access inside a toolbox drawer.
A little background on the project:
I’m still very early in my 3D modeling journey, and this collection has been a huge learning experience for me. All of these models were designed on an iPad using the free version of Shapr3D. Because of the limitations of the free version, I unfortunately can’t currently export STEP files; though I’m hoping to upgrade in the future as I continue building out this ecosystem.
Even so, I’ve put a lot of time into making these organizers practical, printable, and consistent across the collection.
Printing Notes:
Prints great in PLA or PETG
No supports or brim required
0.2 mm layer height recommended
3–4 walls recommended for durability
Lightning 10% infill to save time and filament
If you print one, I’d love to see your setup and remixes. I’m building out a full matching tool organization ecosystem with consistent sizing and styling across the entire collection.