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Hole Gauge Calibration Diameter block test, with raised numbers

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WhiteDragonD

@WhiteDragonD

I needed a way to measure hole sizes for dowel/rod insert supports for models.

Ocena: 5 / 5
Polubienia: 36
Pobrania: 338
Wydruki: 5
Wyświetlenia: 1729
Oceny: 5

Aktualizacja u źródła: 14 lis 2025

Informacje o modelu

Źródło: Printables
Kategoria: Test Models
Licencja: Creative Commons — Attribution

Szczegóły Pliki (3)Wydruki i komentarze (Wydruki: 5) (Komentarze: 5)Remiksy (0)Kolekcje (45)

Check out Version 2:

https://www.printables.com/model/1481683-hole-gauge-calibration-v2-diameter-block-test-with

I kept guessing at hole sizes for support rod inserts into models. This print allows for rod insertion testing to know what hole size to put into a print before printing.

The base is 8mm tall with 2mm raised lettering. This gives enough clearance to ‘Cut’ the bottom and top off to the size you wish to use.

I also attached a .3mf file that is cut into 3 sizes (I know the top of the 5.x is cut, whoops) if you wanted smaller sizes in case of print failure or the option to print only smaller or larger holes.

============== Brass and Nickel Rods ==============
Brass Round Rods Bar Assorted Diameter 2-8mm
https://www.amazon.com/gp/product/B07KS576WJ/

Generic rule, add 0.3 mm for brass rod. 0.2 is TIGHT

2 mm ---> 2.3 mm HOLE
2.5 mm ---> 2.8 mm HOLE
3 mm ---> 3.3 mm HOLE
4 mm ---> 4.3 mm HOLE
5 mm ---> 5.3 mm HOLE
6 mm ---> 6.3 mm HOLE
8 mm ---> 8.3 mm HOLE

2 mm STEM Toys Shaft Round Rod Axles for DIY Toy RC Car Boat Helicopter
https://www.amazon.com/gp/product/B07D2WSF29/

2 mm ---> 2.3mm HOLE

============== Threaded Rods ==============

#8-32 = 0.1631 = 4.14 mm ---> 4.3 mm HOLE
https://www.homedepot.com/p/8-32-tpi-x-36-in-Zinc-Plated-Threaded-Rod-802027/204276657

5/16 = 0.3125 = 7.94 mm ---> 8.0 mm HOLE
https://www.homedepot.com/p/Everbilt-5-16-in-x-36-in-Zinc-Plated-Fine-Threaded-Rod-800807/204325651

3/8 = 0.375 = 9.525 mm (website, unverified) --->
https://www.homedepot.com/p/Everbilt-3-8-in-x-36-in-Zinc-Plated-Fine-Threaded-Rod-800817/204325652

============== Fiberglass Rods ==============

White fiberglass rods = 8 mm (caliper) ---> 8.1mm HOLE

Fiberglass Reflective Rod in Orange
https://www.homedepot.com/p/Everbilt-48-in-Reflective-Rod-in-Orange-31474/304685319

0.375 in (9.5mm) (website, unverified) ---> 8.1mm HOLE

============== Wood Dowels ==============
3/16 ---> 5.3mm HOLE
https://www.homedepot.com/p/3-16-in-x-48-in-Raw-Wood-Round-Dowel-HDDH31648/204354369

5/16 = 7.94 mm ---> 8.1mm HOLE
https://www.homedepot.com/p/6405U-5-16-in-x-5-16-in-x-48-in-Hardwood-Round-Dowel-10001802/203334062