{"id":3299,"date":"2025-07-29T16:21:28","date_gmt":"2025-07-29T08:21:28","guid":{"rendered":"https:\/\/www.xbigcat.com\/?p=3299"},"modified":"2025-07-31T16:59:45","modified_gmt":"2025-07-31T08:59:45","slug":"keyreative-designer-guide-double-shot-primer-part-2","status":"publish","type":"post","link":"https:\/\/www.xbigcat.com\/zh\/keyreative-designer-guide-double-shot-primer-part-2\/","title":{"rendered":"Keyreative &#8211; Designer Guide &#8211; double-shot- Primer ( Part 2)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3299\" class=\"elementor elementor-3299\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-297a888 e-flex e-con-boxed e-con e-parent\" data-id=\"297a888\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8bc47b6 e-flex e-con-boxed e-con e-parent\" data-id=\"8bc47b6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e12a58 elementor-widget elementor-widget-text-editor\" data-id=\"6e12a58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 500; font-size: 16px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; margin-block-end: 24px;\"><strong><i>Basic<\/i><\/strong><b><i> process<br \/><\/i><\/b><strong style=\"font-family: inherit; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; background-color: inherit;\"><em>Grasping the actual production flow is the fastest way to understand the design rules.<\/em><\/strong><\/p><div><div><p>The two mainstream \u201cdouble-shot\u201d injection molding processes today differ between one-shot and double-shot molding.<\/p><p>One-shot molding is mainly used for open-character legends and keycaps produced in large volumes.\u00a0<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px; background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">Commonly seen translucent keycaps on mass-produced keyboards are produced using one-shot molding, with equipment being\u00a0<\/span>double-shot<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px; background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">\u00a0injection molding machines.<\/span><\/p><p>Advantages\uff1a<br \/>\u2022<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px;\">\u00a0Fast production speed<\/span><br style=\"text-size-adjust: none; color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px;\" \/>\u2022<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px;\">\u00a0Low production cost, suitable for automated operations<\/span><\/p><p><span style=\"font-family: inherit; font-size: inherit; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; font-weight: inherit; background-color: inherit;\">Disadvantages\uff1a<\/span><\/p><p>\u2022 High cost for adding custom legends or keys <br \/><span style=\"background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">\u2022<\/span><span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; font-weight: inherit; background-color: inherit;\">Poor production flexibility, such as when using multiple colors<\/span><\/p><p>\u2022 Closed-character (sub-surface) legends require complex molds;\u00a0<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px;\">many manufacturers have poor solutions for closed characters, often damaging the cross-post structure<\/span><br \/>\u2022<span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px; background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">High mold costs<\/span><\/p><p><span style=\"background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">\u00a0<\/span><\/p><p><span style=\"background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">\u00a0<\/span><\/p><p><span style=\"background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">Double-shot<\/span>\u00a0molding typically starts on a horizontal press that injects the legend (or shell) in a first shot. Operators then hand-load these parts into a vertical press for the second shot that forms the remaining body.<\/p><p>Advantages:<br \/>\u2022 Low cost for adding custom legends or keys <br \/>\u2022 High flexibility\u2014multiple colors are easy to handle<\/p><p>Disadvantages:<br \/>\u2022 Labor-intensive: parts must be manually moved from the first press to the second <br \/>\u2022 More molds are needed, raising the cost of prototyping (double-shot\u00a0 usually use small molds)<\/p><p><span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px;\">\u00a0<\/span><span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-size: 15.0222px; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; font-weight: inherit; background-color: inherit;\">Of course, many manufacturers also use hybrid processes\u2014using one-shot molding for standard areas and double -shot molding for closed characters and novelties.<\/span><\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d1e3c3 e-flex e-con-boxed e-con e-parent\" data-id=\"7d1e3c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3766ed4 elementor-widget elementor-widget-text-editor\" data-id=\"3766ed4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"margin-bottom: 13px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); text-size-adjust: none; font-size: calc(0.05*var(--sgai-markdown-baseWidth, 360px)); line-height: calc(0.0722222*var(--sgai-markdown-baseHeight, 360px)); color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; text-transform: none; text-decoration-style: initial; text-decoration-color: initial;\"><em>Material Options<\/em><\/h3><div><span style=\"background-color: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;\">Originally, most manufacturers could only use ABS for double-shot keycaps (e.g., GMK, SP). As the market and technology have evolved, an increasing number of Chinese factories are now able to produce double-shot keycaps in PBT as well.<\/span><\/div><div>\u2022 ABS \u2013 transparent\u00a0or solid colors<br \/>\u2022 PBT \u2013 non-transparent<br \/>\u2022 PC \u2013 transparen\u00a0or solid colors<br \/>\u2022 Glitter (gold or silver flakes) can be added to transparent resins; various colored specks can be mixed into solid resins.<\/div><div>\u00a0<\/div><div>Custom Design<br \/>One image to summarize the difficulty of manufacturing double-shot keycap designs.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ec0a669 e-flex e-con-boxed e-con e-parent\" data-id=\"ec0a669\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-52ca6fc elementor-widget elementor-widget-image\" data-id=\"52ca6fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"810\" src=\"https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400-1024x810.webp\" class=\"attachment-large size-large wp-image-3301 wp-post-image\" alt=\"\" srcset=\"https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400-1024x810.webp 1024w, https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400-300x237.webp 300w, https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400-768x608.webp 768w, https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400-15x12.webp 15w, https:\/\/www.xbigcat.com\/wp-content\/uploads\/2025\/07\/FqAQgEvD5TXtq4j296v9Lt-SL-fM.png-large1400.webp 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0c709b0 e-flex e-con-boxed e-con e-parent\" data-id=\"0c709b0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c649f43 elementor-widget elementor-widget-text-editor\" data-id=\"c649f43\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 20px;\"><em><strong><span style=\"color: #000000; font-family: -apple-system, Arial, sans-serif, 'Microsoft YaHei', \u5fae\u8f6f\u96c5\u9ed1, sans-serif;\">summary<br \/><\/span><\/strong><\/em><\/span>\u2022 Avoid sharp 90\u00b0 angles and pointed corners; they are moldable but strongly disfavored in injection molding.<br \/>\u2022 Keep line widths and spacing between elements \u2265 0.3 mm.<br \/>\u2022 All internal and external radii (R) should be \u2265 0.3 mm.<br \/>\u2022 Keep graphics well away from the keycap edge.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-77e31da e-flex e-con-boxed e-con e-parent\" data-id=\"77e31da\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-af85e24 elementor-widget elementor-widget-text-editor\" data-id=\"af85e24\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 18px;\"><em><strong class=\"\">font<br><\/strong><\/em><\/span><\/p>\n<div class=\"paragraph\">Even though custom double-shot legends have dropped to a three-digit price per character, a full 200-key all in base quickly becomes prohibitively expensive. For that reason, we do not recommend redesigning every legend on the board.<\/div>\n<div class=\"paragraph\">Still, high-end designers and studios often commission their own proprietary typefaces. The guidelines are similar to those shown in the previous diagram, but with a few extra points:<\/div>\n<div class=\"paragraph\">\u2022 Choose a font that avoids sharp, acute angles.<br>\u2022 For closed characters such as the lowercase \u201ce\u201d, \u201cg\u201d, and \u201ca\u201d, ensure the enclosed counters have an internal angle \u2265 0.3 mm and a minimum diameter \u2265 0.3 mm.<br>\u2022 If the set will be sold in European markets, confirm that the typeface includes the necessary regional diacritics and special letters.<br>\u2022 Verify that the font provides a complete set of punctuation marks\u2014some fonts only cover letters and digits.<br>\u2022 Confirm licensing and copyright clearance.<\/div>\n<p><span style=\"font-size: 18px;\"><em><strong class=\"\">&nbsp;<\/strong><\/em><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f20cda6 e-flex e-con-boxed e-con e-parent\" data-id=\"f20cda6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac96eb6 elementor-widget elementor-widget-text-editor\" data-id=\"ac96eb6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"paragraph\"><span style=\"font-size: 18px;\"><em><strong>Color<\/strong><\/em><\/span><br \/>Injection-molded colors cover a wider gamut than dye-sublimation, but the more colors you use, the higher the cost.<\/div><div class=\"paragraph\">\u2022 Fewer colors means lower cost.<br \/>\u2022 Some vendors can handle three-shot (or even more) injection.<br \/>\u2022 Virtually every Pantone shade can be matched in resin.<br \/>\u2022 Glow-in-the-dark compounds work.<br \/>\u2022 Keyreative\u00a0 combines two-shot molding with dye-sublimation.<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6801cb e-flex e-con-boxed e-con e-parent\" data-id=\"a6801cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4660123 elementor-widget elementor-widget-text-editor\" data-id=\"4660123\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>\u00a0<\/div><div class=\"paragraph\"><span style=\"font-size: 18px;\"><strong><em>summary<\/em><\/strong><\/span><\/div><div class=\"paragraph\">\u2022 Double-shot keycaps offer more precise legend placement, a larger color library, and superior color fidelity compared to dye-sublimation.<br \/>\u2022 Color deviation is smaller and more consistent.<br \/>\u2022 Thanks to ongoing technological advances, lower MOQ now reduce risk for designers and studios.<br \/>\u2022 The creative freedom of dye-sublimation remains unmatched by traditional double-shot processes.\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e0eec42 e-flex e-con-boxed e-con e-parent\" data-id=\"e0eec42\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Basic processGrasping the actual production flow is the fastest way to understand the design rules. The two mainstream \u201cdouble-shot\u201d injection molding processes today differ between one-shot and double-shot molding. One-shot molding is mainly used for open-character legends and keycaps produced in large volumes.\u00a0Commonly seen translucent keycaps on mass-produced keyboards are produced using one-shot molding, with [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k-n"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Keyreative - Designer Guide - double-shot- Primer ( Part 2) - BIGCAT<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.xbigcat.com\/zh\/keyreative-designer-guide-double-shot-primer-part-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Keyreative - Designer Guide - double-shot- Primer ( Part 2) - BIGCAT\" \/>\n<meta property=\"og:description\" content=\"Basic processGrasping the actual production flow is the fastest way to understand the design rules. The two mainstream \u201cdouble-shot\u201d injection molding processes today differ between one-shot and double-shot molding. 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