Diamond and Octagon Signs

(4904)

Diamonds and octagons are typically used for warnings (pedestrian crossings, stop signs), are are easy to spot. Signs are guaranteed to last over 10 years outdoors.

• Create your own eye-catching sign with a template below. Choose a size, pick a color and add your message.
• Available in grades of reflective aluminum for great visibility.
• Printed with 3M's matched component inks and films.
• Questions about your design? Feel free to give us a call.

Blank Parking Signs

Borders are printed on durable aluminum sign blanks.

More Info...

Ships Monday . Order within 00 hrs 00 mins

Free Shipping

• Orders over $14.95 ship for free.
• Sign orders over $125 qualify for Free 2 Day Shipping.
• Get your signs on Wednesday! *

Custom Diamond Signs - Multiple Color Options

(55307)

17” Tall (12” on a side)

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Customizable Diamond Sign Template

25” Tall (18” on a side)

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Custom Diamond Sign Template

34” Tall (24” on a side)

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Customizable Diamond Sign Template

42” Tall (30” on a side)

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Customizable Diamond Sign Template

51” Tall (36” on a side)

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Customizable Diamond Sign Template

Custom Stop Signs - Multiple Color Options

(72264)

12" Octagon

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Customizable Octagonal Sign Template

18" Octagon

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Custom Octagonal Sign Template

24" Octagon

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Customizable Octagonal Sign Template

30" Octagon

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Customizable Octagonal Sign Template

36" Octagon

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Customizable Octagonal Sign Template

Custom Diamond Signs - Upload Design up to 4 Colors

(102702)

1 Color

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Your Own Custom Design (1 Color)

2 Color

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Your Own Custom Design (2 Color)

3 Color

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Your Own Custom Design (3 Color)

4 Color

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Your Own Custom Design (4 Color)

Custom Octagon Signs - Upload Design up to 4 Colors

(102703)

1 Color

Zoom Personalize

Your Own Custom Design (1 Color)

2 Color

Zoom Personalize

Your Own Custom Design (2 Color)

3 Color

Zoom Personalize

Your Own Custom Design (3 Color)

4 Color

Zoom Personalize

Your Own Custom Design (4 Color)

Other Custom Parking Signs

(113220)

Horizontal Signs

Split Signs

Square Signs

Vertical Signs

Designer Signs

Customer Reviews

David Feb 11, 2025

Custom Sign, 12" x 12" : Customizable Diamond Sign Template Part #:K-3420 12" x 12" Heavy-Duty Aluminum Sign, 63 mil Verified Purchase

Pleased new customer

High quality at a low price. I asked for special order instructions on the lettering and the designers got it spot on.. very pleased new customer.

Joe Jan 02, 2025

Custom Sign, 24" x 24" : Customizable Diamond Sign Template Part #:K-3422 24" x 24" High Intensity Grade Reflective Sign, 80 mil Aluminum Verified Purchase

Thank you.

PERFECT!!

Heather Sep 20, 2024

Custom Sign, 24" x 24" : Customizable Diamond Sign Template Part #:K-3422 24" x 24" Engineer Grade Reflective Aluminum Sign, 80 mil Verified Purchase

Custom caution sign

My friend was very surprised and happy with it. Hopefully, with the added protection, it will at least last a little while in that Arizona sun!

Andrew May 30, 2024

Custom Sign, 18" x 18" : Custom Diamond Sign Template Part #:K-3421 18" x 18" High Intensity Grade Reflective Sign, 80 mil Aluminum Verified Purchase

Great quality, quick shipping

Great quality, quick shipping.

Chris Apr 10, 2024

Custom Sign, 12" x 12" : Customizable Octagonal Sign... Part #:K-3933 12" x 12" Heavy-Duty Aluminum Sign, 63 mil Verified Purchase

Perfect

Perfect for what we need!

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