--- title: "Design Guide: Lit Cast Metal" description: This guide is here to assist you in creating artwork that meets our minimum design specifications for your cast metal halo lit project. To quickly navigate to a specific section, click the links below. --- [Skip to content](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#main-content) English Show submenu for translations ![Gemini Incorporated](https://hub.geminimade.com/hubfs/gemini-logo-horizontal-1.svg) Open main navigation Close main navigation - English Show submenu for translations Try the "Ask me anything" icon at the bottom right to use our AI search - There are no suggestions because the search field is empty. 1. [Gemini Product Guide](https://hub.geminimade.com/knowledge?hsLang=en) 2. [Lit Letters and Logos](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en) 3. [Lit Cast Metal](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-cast-metal) July 1, 2026 # Design Guide: Lit Cast Metal This guide is here to assist you in creating artwork that meets our minimum design specifications for your **[lit cast metal](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-overview?hsLang=en)** project. To quickly navigate to a specific section, click the links below. | [**Minimum Serif**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#MinSerif) | [**Minimum Stroke**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#MinStroke) | | --- | --- | | [**Minimum Opening**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#MinOpening) | [**Fine Point Minimum**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#FinePointMinimum) | | [**Minimum Letter Size**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#MinimumLetterSize) | [**Mounting Stroke**](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#MountingStroke) | | [Aluminum Size Limit](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#AluminumSizeLimit) | [Finishing Limits](https://hub.geminimade.com/knowledge/design-guide-cast-metal-halo-lit#FinishingLimits) | **Tip: Need to look up a design term? [View our glossary of common terms](https://hub.geminimade.com/knowledge/geminis-signage-glossary?hsLang=en).**   ### Minimum Serif | ![](https://hub.geminimade.com/hs-fs/hubfs/image-png-Jul-25-2023-08-10-16-5480-PM.png?width=124&height=130&name=image-png-Jul-25-2023-08-10-16-5480-PM.png) | **ANY PROFILE:** 1 in | | --- | --- | ### Minimum Stroke | ![](https://hub.geminimade.com/hs-fs/hubfs/image-png-Jul-25-2023-08-11-29-8042-PM.png?width=129&height=125&name=image-png-Jul-25-2023-08-11-29-8042-PM.png) | **ANY PROFILE:** 1.5 in | | --- | --- | ### Minimum Opening | ![](https://hub.geminimade.com/hubfs/image-png-Jul-25-2023-08-12-40-7833-PM.png) | **1.25 in - 1.5 in depths** | 0.125 in | | --- | --- | --- | | **Reverse Cut Text** | 0.188 in | |     ### Fine Point Minimum | ![](https://hub.geminimade.com/hubfs/image-png-Jul-25-2023-08-14-33-0546-PM.png) | **1.25 in - 2.25 in depths** | 0.250 in | | --- | --- | --- | | **2.25 in - 3 in depths** | 0.375 in | | ### Minimum Letter Size | ![](https://hub.geminimade.com/hubfs/image-png-Jul-25-2023-08-16-09-3675-PM.png) | **Block Letters** | 6 in | | --- | --- | --- | | **Serif Letters** | 10 in | | ### Mounting Stroke | ![](https://hub.geminimade.com/hubfs/image-png-Jul-25-2023-08-17-20-0706-PM.png) | **10-24 studs** | 0.300 in | | --- | --- | --- | | **1/4-20 studs** | 0.500 in | | ### Aluminum Size Limit | Bars | 8 in x 48 in | | --- | --- | | Letters & Logos | 48 in x 48 in in | | Larger items require review prior to quoting. | |     ### Finishing Limits | ![](https://hub.geminimade.com/hubfs/image-png-Jul-25-2023-08-20-45-2989-PM.png) | **Bead Blast/Painted/Orbital** | 96 in x 96 in (circle) | | --- | --- | --- | | **Brushed** | 60 in x 60 in | | | **Anodized** | 46.5 in x 84 in | | | **Patinas & Oxidized** | 40 in x 40 in | | | **Polished or Buffed** | 30 in x 30 in (circle) | |   All artwork is reviewed by Gemini before ordering. If modifications are required on submitted artwork, a Gemini team member will work with you to find a solution. If you have questions about your artwork, please contact us through your **[Partner Portal](https://geminimade.com/signage/support/)** account. #### **More About Lit Cast Metal Products** --- **[Product Overview](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-overview?hsLang=en)** **[Product Specifications, Mounting, and Installation](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-product-specifications?hsLang=en)** **[Project Examples](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-project-examples?hsLang=en)** **[Pricing](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-pricing-us?hsLang=en)** **[Product Warranty](https://hub.geminimade.com/knowledge/cast-aluminum-halo-lit-product-warranty?hsLang=en)**   --- *2050.07* - [Quote and Order Lead Times](https://hub.geminimade.com/knowledge/quote-and-order-lead-times?hsLang=en) - [Partner Portal "How-To" Articles](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#main-content) - [FAQs](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#faqs) - [General](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#general) - [Artwork](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#artwork) - [Quoting/Ordering](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#quoting-ordering) - [Help & Support Messaging](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#help-support-messaging) - [Shipping](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#shipping) - [Account Management](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#account-management) - [Usability and Accessibility](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#usability-and-accessibility) - [Gemini Sign Assistant](https://hub.geminimade.com/knowledge/partner-portal-how-to-articles?hsLang=en#gemini-sign-assistant) - [Partner Resources](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#main-content) - [Partner General Resources](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#partner-general-resources) - [Partner Portal Release Notes](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#partner-portal-release-notes) - [International Partners](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#international-partners) - [Partner News](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#partner-news) - [Webinars](https://hub.geminimade.com/knowledge/partner-resources?hsLang=en#webinars) - [Plastic Letters and Logos](https://hub.geminimade.com/knowledge/plastic-letters-and-logos?hsLang=en#main-content) - [Flat Cut Acrylic](https://hub.geminimade.com/knowledge/plastic-letters-and-logos?hsLang=en#flat-cut-acrylic) - [Flat Cut PVC](https://hub.geminimade.com/knowledge/plastic-letters-and-logos?hsLang=en#flat-cut-pvc) - [Formed Plastic](https://hub.geminimade.com/knowledge/plastic-letters-and-logos?hsLang=en#formed-plastic) - [Metal Letters and Logos](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#main-content) - [Flat Cut Metal](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#flat-cut-metal) - [Cast Metal](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#cast-metal) - [Fabricated Metal](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#fabricated-metal) - [Blade Signs Non-Lit](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#blade-signs-non-lit) - [Metal Finishes](https://hub.geminimade.com/knowledge/metal-letters-and-logos?hsLang=en#metal-finishes) - [Laminate Letters and Logos](https://hub.geminimade.com/knowledge/laminate-letters-and-logos?hsLang=en#main-content) - [GemLeaf](https://hub.geminimade.com/knowledge/laminate-letters-and-logos?hsLang=en#gemleaf) - [Metal Laminate on Acrylic](https://hub.geminimade.com/knowledge/laminate-letters-and-logos?hsLang=en#metal-laminate-on-acrylic) - [Laminate on Foam](https://hub.geminimade.com/knowledge/laminate-letters-and-logos?hsLang=en#laminate-on-foam) - [Lit Letters and Logos](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#main-content) - [Lit Fabricated Metal Halo Lit](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-fabricated-metal-halo-lit) - [Lit Fabricated Metal Face Lit](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-fabricated-metal-face-lit) - [Blade Signs](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#blade-signs) - [Lit Cast Metal](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-cast-metal) - [Trimless Fabricated Metal Halo Lit](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#trimless-fabricated-metal-halo-lit) - [Trimless Fabricated Metal Face Lit](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#trimless-fabricated-metal-face-lit) - [Trimless Channel Face Lit](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#trimless-channel-face-lit) - [Lit Formed Plastic](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-formed-plastic) - [Lit Acrylic Face Lit (L-100)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-face-lit-l-100) - [Lit Acrylic Face and Halo Lit (L-200)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-face-and-halo-lit-l-200) - [Lit Acrylic Face and Side Lit (L-300)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-face-and-side-lit-l-300) - [Lit Acrylic Metal Face Side Lit (L-400)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-metal-face-side-lit-l-400) - [Lit Acrylic Side Lit (L-500)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-side-lit-l-500) - [Lit Acrylic Translucent Vinyl Face And Side Lit (L-600)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-translucent-vinyl-face-and-side-lit-l-600) - [Lit Acrylic Translucent Vinyl Face Lit (L-700)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-translucent-vinyl-face-lit-l-700) - [Lit Acrylic Translucent Vinyl Face And Halo Lit (L-800)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-translucent-vinyl-face-and-halo-lit-l-800) - [Trimless Lit Acrylic Halo Lit (L-900)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#trimless-lit-acrylic-halo-lit-l-900) - [Lit Acrylic Halo Lit (L-1000)](https://hub.geminimade.com/knowledge/lit-letters-and-logos?hsLang=en#lit-acrylic-halo-lit-l-1000) - [Plaques](https://hub.geminimade.com/knowledge/plaques?hsLang=en#main-content) - [Precision Plaques](https://hub.geminimade.com/knowledge/plaques?hsLang=en#precision-plaques) - [Cast Plaques](https://hub.geminimade.com/knowledge/plaques?hsLang=en#cast-plaques) - [Etched Plaques](https://hub.geminimade.com/knowledge/plaques?hsLang=en#etched-plaques) - [Bronze Memorials](https://hub.geminimade.com/knowledge/plaques?hsLang=en#bronze-memorials) - [Raised Print](https://hub.geminimade.com/knowledge/plaques?hsLang=en#raised-print) - [Thin Gauge Metal Signs](https://hub.geminimade.com/knowledge/thin-gauge-metal-signs?hsLang=en#main-content) - [Thin Gauge Metal Signs](https://hub.geminimade.com/knowledge/thin-gauge-metal-signs?hsLang=en#thin-gauge-metal-signs) - [Printed Dimensional Signage](https://hub.geminimade.com/knowledge/printed-dimensional-signage?hsLang=en) - [More Resources](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#main-content) - [Fonts](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#fonts) - [Paint](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#paint) - [Mounting and Installation](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#mounting-and-installation) - [Shipping](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#shipping) - [Cleaning and Maintenance](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#cleaning-and-maintenance) - [Warranty](https://hub.geminimade.com/knowledge/more-resources?hsLang=en#warranty) - [Search](https://hub.geminimade.com/knowledge/search?hsLang=en) [![Gemini Incorporated](https://hub.geminimade.com/hubfs/gemini-logo-horizontal-1.svg "Gemini Incorporated")](https://geminimade.com/signage/) Gemini, Inc. 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