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| Custom 3D Letters, Logos & Changeable Reader Board Letters On The Spot Signs has been a long time distributor for Gemini Inc. To view their full line of products go to www.signletters.com. We use Gemini exclusively for any project which requires custom 2 and 3 dimensional letters, logos or plaques. They provide the best product on the market with the most knowledgeable staff and experience. They also provide a lifetime guarantee with most products. If you need a frame or additional signage we can also help you in that department as well. If you are replacing letters, need a whole new kit or accessory, look at the list below for a few of the items we offer, and let us know how we can help you. We will provide you with pricing, proof and turn-around times. We can also install whatever you need. You can contact us using the contact form at the bottom of the page or call us at 314-830-2020.
Changeable Letters, Kits and Accessories  Pronto Changeable Copy Letters & AccessoriesGemini Pronto Changeable Copy are a cut above traditional saw-cut changeable copy. That’s because Pronto letters are made from an injection molded precision blank. Each panel is molded with a small raised edge on the back side of the letter that prevents the screen-printed ink from being scratched off as the letters are moved in and out the Pronto track. The molded-in feet keep debris (and in cooler climates, ice) from interfering placement of the changeable copy message. Finally, because the inks used on the Pronto letters are UV inks (no VOCs!), there are no harmful emissions during the manufacturing process. Pronto letters truly are the letter of choice.
- Patented panel design prevents scratches
- UV inks have no harmful VOCs
- Molded feet keep panels from sticking in track
- Ships in 1 business day

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Minnesota & Formed Plastic LettersOver 100 standard styles and 38 standard colors Easy customization for your style or logo Custom painting to match your specific color Choose from flat, round or sculptured faces Endures even the harshest conditions Made from a renewable resource (non-petroleum)plastic Good choice when depth is required in letterstyle orlogo Available up to 60" letter height when required Easy mold customization provide for faster service Minnesota LettersPrecision & Consistency of Injection Molded LettersGemini’s Minnesota™ Letters have the look and feel of cast metal letters so they’re suitable for almost any “up-scale” application. Made from earth-friendly recyclable Cellulose Acetate Butyrate (CAB), Minnesota Letters are beautiful, crisp letters with razor-sharp edges that are easy to install and guaranteed for life. Available in six standard styles and 45 standard colors, they are in stock and ready to be shipped in just 1 business day. More durable than most other plastic letters, they are able to stand up against the scrutiny of indoor applications and tough enough to withstand the elements outside.
- Most accurate and consistent letters and numbers possible.
- Light enough to be installed without drilling into sign face.
- Same great look in small or large sizes.
- Made from renewable resources, CAB plastic is a non-petroleum plastic and completely recyclable.
- Metal look & appearance
- Suitable indoors and outdoors
- Ships In 1 business day
- Made from "Green" earth friendly plastic
- Lifetime Guarantee
| Standard Styles and Sizes |  |  | Standard Mountings |  |  |  | | Plain letters are shipped without any mounting hardware. | Studs are metal threaded posts on the rear of the letters. Specify if studs need to be in line for brick or block wall mortar joints. When installed, studs typically extend approx. 1-1/2"-2" from the back of the letters. | Pads are plastic disks on the rear of the letters. Adjustable or flush pads available upon request.
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|  Formed Plastic Letters & Logos
Unlimited Variety and FlexibilityThe original “Gemini Letters”. Formed plastic letters are the most popular and durable product in the sign industry today. The utmost in versatility, Gemini’s guaranteed-for-life formed letters are the standard for most local businesses as well as office parks, retail chains and almost anywhere there is a need for dimensional signage. Their inexpensive molds make it easy to customize a letter style or logo for the perfect 3D sign. Formed letters also provide the deepest dimension for the money. Because we extrude our own sheets of Cellulose Acetate Butyrate (CAB), we save money in the production cost which we can pass on to our customers. And, with 3 different forming locations across North America, most letters are just 2 days away from your doorstep.
Economy and Durability- Over 128 standard styles and 31 standard colors
- Fast Delivery - Produced in just 2 days
- Lifetime Guarantee
- UV stable
- Low-Cost option with high impact results

NEW - Gold Leaf FinishPure 24K gold is applied to any Gemini Formed Plastic Letters. The finish result is not matched by any paint, treatment, or other base metal. Gold Leaf is truly the gold standard of the industry. Completely weatherable, installations last a generation before re-leafing is required due to ewear and tear in most applications. Round and prismatic styles are recommended for best results. Call for a quote on this process, which might also extend lead times on your order. | |  |  | Standard Mountings |  |  |  | | Plain letters are shipped without any mounting hardware. | Flange is a flat, 3/16" to 1/2" perimeter on the letter return into which holes can be drilled. Secure with screws or nails. Wider flange available upon request. Not recommended for letters under 6". | Studs are metal threaded posts on the rear of the letters. Specify if studs need to be in line for brick or block wall mortar joints. When installed, studs typically extend approx. 1-1/2"-2" from the back of the letters. | | | |  |  |  | Pads are plastic disks on the rear of the letters. Adjustable or flush pads available upon request.
| Combination has pads at the bottom and studs through pads at the top of the letter. Specify if studs need to be in line for brick or block wall mortar joints. Not for letters under 6".
| Combination All has studs through pads on all mounts. Specify if studs need to be in line for brick or block wall mortar joints. Not for letters under 6".
| | | |  |  |  | | Brackets are L-shaped plastic projections flared outward from back of the letter. | Wires are stainless steel inserted into plastic blocks glued to inside of letter. Available for flush mounting or with 1/2", 1", 1-1/2" or 2" standoffs on flat faced letters 6" and up. | Foam filled letters are filled with rigid urethane foam and cut flush to the back edge of the letter. Available for letters 9" and smaller. |  | | | Free Standing letters have 90° mounting brackets for installing on roofs. Other angles available upon request. |
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Custom Formed Letters & Logos
About these Letters:There are fewer plastics greener that our CAB (Cellulose Acetate Butyrate). As the name implies, the cellulose—the body of the plastic—is derived from wood and cotton fiber cells. Sheets of this easy-forming material are extruded by Gemini in their state-of-the-art extrusion plant. Custom formed letters and logos are extremely weatherable and have stood the test of time with Gemini since 1963. With 31 standard pigmented colors, variety of face profiles, mounting hardware, and thousands of custom options. And by the way, theirs comes with a lifetime guarantee.
Economy and Durability- Up to 2" deep
- Flat, round or prismatic face
- Single formed pieces up to 45" x 68"
- 31 Standard pigmented colors
- Custom paint matching
Gemini’s custom forming operations provide you with a means of replicating a typestyle or logo that is not within their extensive mold inventory. With the ability to form their plastic into shapes not attainable with acrylics or polycarbonate—you can create designs with detail that you would not think possible. Their mold artists can take your 2D drawings and images and produce 3D shapes. Multiple sets also afford even lower costs than single piece pricing. 
NEW - Near Chrome FinishChrome looking finishes do not necessarily require metal substrates in actual hexavalent chrome baths. Gemini can utilize a near chrome spray-on application to provide you with stunning metal or plastic letters and logos. Imperfections will be seen in the surface of most substrates, as this is not a true plating process. Round face and prismatic styles are recommended for best results. Call for a quote on the Near Chrome finish applied to any of your plaques, letters, or logos. This process may extend lead times on your order by several days. 
NEW - Gold Leaf FinishPure 24K gold is applied to any Gemini Formed Plastic Letters. The finish result is not matched by any paint, treatment, or other base metal. Gold Leaf is truly the gold standard of the industry. Completely weatherable, installations last a generation before re-leafing is required due to ewear and tear in most applications. Round and prismatic styles are recommended for best results. Call for a quote on this process, which might also extend lead times on your order. | |  | Standard Mountings |  |  |  | | Plain letters are shipped without any mounting hardware. | Flange is a flat, 3/16" to 1/2" perimeter on the letter return into which holes can be drilled. Secure with screws or nails. Wider flange available upon request. Not recommended for letters under 6". | Studs are metal threaded posts on the rear of the letters. Specify if studs need to be in line for brick or block wall mortar joints. When installed, studs typically extend approx. 1-1/2"-2" from the back of the letters. | | | |  |  |  | | Pads are plastic disks on the rear of the letters. Adjustable or flush pads available upon request. | Combination has pads at the bottom and studs through pads at the top of the letter. Specify if studs need to be in line for brick or block wall mortar joints. Not for letters under 6". | Combination All has studs through pads on all mounts. Specify if studs need to be in line for brick or block wall mortar joints. Not for letters under 6". | | | |  |  |  | | Brackets are L-shaped plastic projections flared outward from back of the letter. | Wires are stainless steel inserted into plastic blocks glued to inside of letter. Available for flush mounting or with 1/2", 1", 1-1/2" or 2" standoffs on flat faced letters 6" and up. | Foam filled letters are filled with rigid urethane foam and cut flush to the back edge of the letter. Available for letters 9" and smaller. |  | | | Free Standing letters have 90° mounting brackets for installing on roofs. Other angles available upon request. |
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|  Flat Cut Acrylic Letters & Logos
Let Gemini Be Your Laser Cut Acrylic SourceUncomplicate your life by letting Gemini provide your laser cut acrylic letters. They nest thousands of orders to assure minimal scrap and a lower acrylic cost. Plus, they extrude their own sheets of pigmented acrylic in 32 standard colors. Available in gauges ranging from 1/8" to 1" – you won’t find this variety of acrylic anywhere else. Their state of the art computers paired with custom-designed high-speed 1000W lasers precisely cut the most customized sign work in the industry. The laser-cut polished edges are immaculate, making their acrylic product beautiful enough for any application where precision is required. - Sizes Range from 1/2" - 72"
- Pigmented Acrylic in 5 Different Thicknesses
- Superior Laser Cut Polished Edges
- 32 Standard Pigmented Colors
- Lifetime Guarantee
They can produce your order in just days with all hardware and mounting patterns.
Gemini recycles sheet trim to keep costs even lower. Artwork can be converted to an exact 3-dimensional acrylic replica. | |
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|  DISPLAY LETTERS
Products Designed for Display, Exhibition and FixturingNot every application requires a product with a lifetime weatherability guarantee. That’s why Gemini has developed a product line for the interior display market. Now you can get all your lettering and display needs from one source that understands the need for quick delivery and top-notch quality—all with award winning customer service. This product line includes additional finishes on lightweight substrates that are ideal for in-store displays and reception area identification. It also includes chrome effects and 1200 dpi full-color finishes that while extremely durable and weather resistant—simply don’t quite live up to a lifetime guarantee under all conditions—like their other exterior grade products. What you will find with Gemini’s Display Products, is that they give you additional design flexibility to produce the kinds of products you need to impress your customers.
Gemini's Display Letter Warranty:Gemini’s no-hassle warranty is no different for its display letters than for its exterior grade products, when they are installed in the proper environment. The products in the display letters section of the catalog are designed for interior use--due to limitations of the top-coats, substrates, or finishes. While letters in this product line may be installed in exterior applications—Gemini cannot warrant their life in those environments. As with all other Gemini products, when used in the proper environment, if for any reason, your product chips, cracks, or fades—Gemini will replace the returned product free of charge, with new product as manufactured by Gemini. | | The 5 Product Options for Display Letters: | 
| GemLeaf Letters & Logos The most common metal finishes applied onto solid acrylic colors. All GemLeaf products are laser cut giving you sharp inside corners and polished acrylic returns. Only from Gemini can you get this new process. |  | Laminate Letters Standard .030 metal laminate sheets are bonded using the Bern-Lok™ process to Gemini manufactured substrates of acrylic or high density urethane foam. The most common display letters used today. |  | Giclee Letters & Panels Metal or acrylic panels are pretreated, primed, and then printed using a 1200 dpi printing process. Blanks often have exposed borders of brushed metal for the best effect. |  | Faux Metal Finishes New metal dyes used to produce different effects for eye-popping signage. Flash Bronze, an aluminum treatment is new in 2010-2011. |  | Classic Letters For over 1000 years, man has been using premium hardwoods and gold leafing to decorate signage and other architectural elements. Gemini brings you the option of the truly timeless look with these product lines. |
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|   METAL LETTERS & LOGOS
Durability and Long Lasting BeautyAt Gemini, each metal letter is manufactured one-by-one in aluminum, bronze, brass, copper or steel using up to twenty distinct manufacturing steps. Yet prices remain competitive because of their tailored production processes and seasoned professionals. Their numerous metal finishes give you the choice of dazzling shine, brilliant color, or natural and antiquated metal. Combine these finishes with an extensive selection of letter styles to design signs that reflect your individual image. Four Style Available. Cast Letters & Logos, Custom Cast Letters & Logos, Fabricated Letters & Logos, and Flat Cut Letters & Logos Cast LettersWhen a sense of permanency and depth is required on professional offices, universities and government buildings – Gemini bronze and aluminum cast metal letters offer the depth you need. With 12 different finishes including polished, oxidized or anodized (using Aluminum Anodizers Council and American Institute of Architects guidelines); you can get the classic look and deep dimension of cast metal letters for less than what you would expect to pay for such quality. In all, Gemini features more than 60 standard styles, with many different finish options. Our all-electric, pollution-free furnaces in Texas and Iowa melt the bronze and aluminum ingot used in our casting processes. Not only is our hand-finished product produced for you in only 8 days, it is also guaranteed for life.
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|  Custom Cast Letters and Logos
Gemini can cast various letters, logos and symbols in sizes ranging from 2” to 84”. However, not all letter styles or logos can be cast as originally designed. Stroke width, depth, and overall size of the pieces must take into account the sandmolding process and the ability to pour molten metal to all areas of the design. We will work with you to cast the design or letter style as close as possible to original artwork. All custom cast pieces will require a signed artwork approval prior to beginning production.
- Create metal letters with maximum dimension
- More cost-effective than flat cut letters
- Aluminum or Bronze cast finishes available
- Letters, Logos, & Symbols cast in pure metals
- From 2” to 84” in some styles and materials
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Metal Letters - Fabricated Letters & Logos  Fabricated Metal Letters and Logos
Gemini Stainless Steel Fabricated Letters are perfect architectural letters for retail or other areas where high-end quality fabrication is an absolute must. Already, such well-known and successful organizations as Exxon Mobil, JPMorgan, Chase, Kroger, IBM and Caterpillar have selected Gemini Fabricated Stainless Steel Letters for dimensional signage. Built to your specifications (face and returns) in a wide variety of finishes such as brushed, polished or painted, Gemini's Fabricated Stainless Steel Letters can be produced to your required depth and size. Gold titanium coating is also available to provide the look of brass at a fraction of the cost. With lead-free solder and crisp 90º edges, Gemini Fabricated Letters offer the technical specifications required of such letters with the utmost in beauty and quality.
- Virtually unlimited design potential
- Perfect for LED backlighting
- Letters made in North America - NOT overseas
- Lifetime Guarantee
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| Metal Letters - Flat CutLetters & Logos  Flat Cut Metal Letters and Logos
Gemini waterjets and lasers precisely cut custom metal letters that provide greater detail than routers. With six major metals and over 50 standard finishes available (aluminum, bronze, brass, copper and steel), Gemini can uncomplicate your business by providing all the finishing, hardware and trim recycling. Plus Gemini’s regional locations can take your .EPS, .CDR or other vector-based art files and produce your letters and logos in just 7 days. Letters of this quality are shipped faster than you’ll find anywhere else. Durable enough for outdoors, yet perfect enough for any boardroom application, Gemini flat cut metal letters are quality, pure metal letters at a cost-effective price.
- 6 metals, 6 gauges and 50 finishes are standard
- From 1/2" to 60" letters and logos
- Fast shipping - letters made in just 7 days
- Lifetime Guarantee
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