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Round Corner Stencil Template - Inch and Metric Sizes

These are templates for marking or scribing rounded corners, in inch/Imperial or Metric sizes. These are designed to work with mechanical pencils and ultra fine markers. The templates have 1/16" channels to negate some inaccuracies caused by rough corner edges. Each of the four templates uses about 15-16 grams of filament.

The Inch/Imperial templates are in 1/4 or .25 inch increments, from .25" to 4", making 16 available arcs, if you print all four of the following templates:

".25" which includes .25", 1.25", 2.25" and 3.25" radii.
".5" which includes .5", 1.5", 2.5" & 3.5" radii.
".75" which includes .75", 1.75", 2.75" and 3.75" radii.
"1" which includes 1", 2", 3" & 4" radii.

The Metric templates are in 5 mm increments, from 5 to 100 mm, making 20 available arcs, if you print all five of the following templates:

"Metric 1" which includes 5, 30, 55 & 80 mm radii.
"Metric 2" which includes 10, 35, 60 & 85 mm radii.
"Metric 3" which includes 15, 40, 65 & 90 mm radii.
"Metric 4" which includes 20, 45, 70 & 95 mm radii.
"Metric 5" which includes 25, 50, 75 & 100 mm radii.

The templates have hanging hook holes for pegboard hooks, nails, etc. They are easy to use. Print them face down and at a finer resolution (.12mm - .16mm) for better quality. Print initial 2 layers at slow speed for improved accuracy. No supports are necessary.

When using the templates, hold your pen or marker against the inside edge of the rounded slots.

This design was inspired by drphysics' design: . However, I wanted to make templates with a wider range of corner measurements.

NOTE: The Inch/Imperial templates work for my needs, so I have not printed or included photos of 3D printed Metric templates.

Print Settings:

Printer brand: Creality

Printer: Ender 5

Rafts: No

Supports: No

Resolution: .16mm

Infill: 100%

Filament brand: Overture

Filament color: White

Filament material: PETG

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