{"id":2982,"date":"2026-08-01T10:21:20","date_gmt":"2026-08-01T02:21:20","guid":{"rendered":"https:\/\/bravofabs.com\/laser-cutting-design-guide-dfm\/"},"modified":"2026-08-01T10:21:20","modified_gmt":"2026-08-01T02:21:20","slug":"laser-cutting-design-guide-dfm","status":"publish","type":"post","link":"https:\/\/bravofabs.com\/laser-cutting-design-guide-dfm\/","title":{"rendered":"Laser Cutting Design Guide: 7 DFM Rules for Sheet Metal Parts"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Key Takeaways<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Standard laser cutting tolerance is \u00b10.1 mm<\/strong> for sheet metal up to 6 mm thick \u2014 fiber lasers can hold \u00b10.05 mm on critical features.<\/li>\n<li><strong>Minimum hole diameter \u2265 material thickness<\/strong> is the cardinal rule. Holes smaller than the sheet thickness burn rather than cut cleanly.<\/li>\n<li><strong>Kerf width ranges from 0.1 to 0.3 mm<\/strong> and must be accounted for in press-fit assemblies. Most CAM software compensates automatically \u2014 do not draw kerf offsets into your DXF.<\/li>\n<li><strong>Keep features at least 1\u00d7 material thickness from edges and bends<\/strong>. Holes too close to bend lines will tear or distort during forming.<\/li>\n<li><strong>Internal corner radii need \u2265 0.5 mm<\/strong> to prevent the laser from dwelling. Sharp corners are impossible \u2014 the beam has physical width.<\/li>\n<li><strong>Thicker material = wider tolerances.<\/strong> A 10 mm steel plate cannot hold the same precision as a 1.5 mm sheet. Design for the process limits of your chosen thickness.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction: What Makes a Laser-Ready Design?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>laser cutting<\/strong> machine is fast, precise, and repeatable \u2014 but only if the part geometry respects the physics of the process. Unlike CNC milling, where a rotating tool removes material progressively, a laser delivers a focused beam of energy that melts, burns, or vaporizes material in a single pass. That difference creates a unique set of <strong>design-for-manufacturability (DFM)<\/strong> rules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">German and European procurement engineers sourcing from China often send us DXF files that look perfect on screen but fail at the cutting head \u2014 holes too small, tabs too narrow, corners too sharp. This guide covers the seven non-negotiable rules for <strong>laser cutting DFM<\/strong>, with tolerance data sourced from ISO 9013 and real production feedback from our fiber laser floor in Dongguan.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"width:100%;border-collapse:collapse;margin:15px 0\"><thead><tr style=\"background:#004c97;color:#fff\"><th>Quick Reference: Laser Cutting Capabilities at a Glance<\/th><th>Standard<\/th><th>Precision<\/th><\/tr><\/thead><tbody><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Linear tolerance<\/strong> (sheet \u22646 mm)<\/td><td>\u00b10.10 mm<\/td><td>\u00b10.05 mm<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Linear tolerance<\/strong> (sheet 6\u201312 mm)<\/td><td>\u00b10.20 mm<\/td><td>\u00b10.15 mm<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Kerf width<\/strong><\/td><td>0.15\u20130.30 mm<\/td><td>0.10\u20130.15 mm (thin sheet)<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Min. hole diameter<\/strong><\/td><td colspan=\"2\">\u2265 material thickness (best practice); \u2265 \u00bd thickness (bare minimum)<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Min. internal corner radius<\/strong><\/td><td colspan=\"2\">\u2265 0.5 mm<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Max. sheet size<\/strong><\/td><td colspan=\"2\">3000 \u00d7 1500 mm (typical industrial fiber laser bed)<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td><strong>Applicable standards<\/strong><\/td><td colspan=\"2\">ISO 9013, ISO 2768-mK, ASME Y14.5 (GD&#038;T)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 1: Hole Sizing \u2014 The 1:1 Rule<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The single most common DFM mistake in laser-cut parts: <strong>holes smaller than the material thickness<\/strong>. When the beam pierces a hole whose diameter is less than the sheet thickness, the laser dwells too long in a confined space. Instead of a clean cut, you get a burned, tapered, out-of-round hole.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong> hole diameter \u2265 material thickness (1:1 ratio). A 3 mm mild steel sheet needs holes at least 3 mm in diameter. <strong>Bare minimum:<\/strong> hole diameter \u2265 \u00bd material thickness \u2014 but expect quality degradation and consider a secondary drilling or punching operation for anything below the 1:1 threshold.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For <strong>precision assemblies<\/strong>, also account for kerf: a drawn 10 mm hole will come out approximately 10.1\u201310.2 mm after cutting because the beam removes material on both sides of the programmed path. This is normally within tolerance for clearance fits \u2014 but for press-fit or locating features, flag the hole as &#8220;critical&#8221; on your drawing so the CAM programmer applies kerf compensation.<\/p>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#f8f9fb;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px\"><strong>Best for:<\/strong> clearance holes, bolt holes, lightening holes \u2265 material thickness.<br><strong>Avoid when:<\/strong> you need threaded holes or dowel-pin precision \u2014 use secondary <a href=\"https:\/\/bravofabs.com\/cnc-machining-service\/\">CNC machining<\/a> after laser cutting.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 2: Kerf \u2014 The Invisible Cut Width<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kerf<\/strong> is the width of material physically removed by the laser beam \u2014 typically <strong>0.15 mm on thin sheet to 0.30 mm on thick plate<\/strong>. It varies with laser power, material type, cutting speed, and assist gas. For 90% of parts, you can ignore it: modern CAM software reads your DXF at nominal dimensions and automatically offsets the toolpath by half the kerf width.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But kerf becomes critical in two scenarios:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Press-fit tab-and-slot assemblies.<\/strong> If you are designing laser-cut parts that nest together without fasteners, you must account for kerf in the DXF. Rule of thumb: draw tabs 0.1 mm wider and slots 0.1 mm narrower than the target fit. This yields approximately 0.05 mm interference per side \u2014 enough for a firm press fit without deformation. <strong>Always prototype a test piece<\/strong> \u2014 exact kerf varies by machine and material batch.<\/li>\n<li><strong>Multi-part nesting.<\/strong> When an inner part must drop into an outer cutout (e.g., an inlay or insert), add half the kerf to the inner piece and subtract half from the outer opening. Otherwise the gap will be too loose.<\/li>\n<\/ol>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#f8f9fb;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px\"><strong>Best for:<\/strong> standard clearance-fit assemblies where CAM auto-compensation is sufficient.<br><strong>Avoid when:<\/strong> designing press-fit joints without a prototype run \u2014 kerf varies and one test piece is cheaper than a scrapped batch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 3: Edge and Bend Clearances<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Laser-cut features that are too close to edges or bend lines will cause problems downstream \u2014 during bending, forming, or even just handling. The heat-affected zone (HAZ) around the cut edge can harden the material locally, making it brittle near bends.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Follow these minimum distances for reliable <strong>sheet metal fabrication<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"width:100%;border-collapse:collapse;margin:15px 0\"><thead><tr style=\"background:#004c97;color:#fff\"><th>Feature Relationship<\/th><th>Minimum Distance<\/th><\/tr><\/thead><tbody><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Hole to bend line<\/td><td>2.5 \u00d7 material thickness + bend radius<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Slot to bend line<\/td><td>4 \u00d7 material thickness + bend radius<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Hole or slot to part edge<\/td><td>2 \u00d7 material thickness<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Notch to bend (parallel plane)<\/td><td>8 \u00d7 material thickness + bend radius<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Notch to bend (perpendicular plane)<\/td><td>3 \u00d7 material thickness + bend radius<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Distance between holes<\/td><td>2\u20133 \u00d7 material thickness<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>Notch to another notch<\/td><td>3.2 mm or 2 \u00d7 material thickness (whichever is greater)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">When a hole sits inside a bend zone, it will <strong>tear or ovalize<\/strong> during forming. If you must place a hole near a bend, add bend relief notches at the bend line ends to absorb the stress \u2014 these should be at least 0.5 \u00d7 material thickness wide.<\/p>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#f8f9fb;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px\"><strong>Best for:<\/strong> all bent parts \u2014 these clearances are geometry-driven, not machine-dependent.<br><strong>Avoid when:<\/strong> designing flat-only (no-bend) parts \u2014 edge clearances drop to 1\u00d7 material thickness.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 4: Corner Radii \u2014 No Sharp Inside Corners<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A laser beam has physical width (the spot size) \u2014 typically 0.1\u20130.2 mm for a fiber laser. An inside corner drawn as a perfect 90\u00b0 sharp corner in CAD is <strong>physically impossible<\/strong> to cut. The beam will dwell at the corner, burning a radius whether you want one or not.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Design rule:<\/strong> specify inside corner radii of <strong>at least 0.5 mm<\/strong>. This prevents the laser from dwelling and produces a clean, predictable corner. For structural parts subject to fatigue loading, larger radii (\u2265 material thickness) also reduce stress concentration \u2014 a free mechanical benefit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For <strong>tight-fit assemblies<\/strong> where a square corner is functionally required (e.g., a rectangular tab fitting into a pocket), add &#8220;mouse ear&#8221; corner reliefs \u2014 small drilled holes at the inside corner positions. These are added as a secondary drilling step after laser cutting and give a true 90\u00b0 corner for assembly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 5: Material Thickness Drives Tolerances<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every <strong>laser cutting tolerance<\/strong> chart in this guide comes with a thickness caveat \u2014 and for good reason. As material gets thicker, the laser beam must deliver more energy, the kerf widens, heat input increases, and the cut edge develops taper (wider at the top than the bottom).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"width:100%;border-collapse:collapse;margin:15px 0\"><thead><tr style=\"background:#004c97;color:#fff\"><th>Material Thickness<\/th><th>Fiber Laser Tolerance<\/th><th>Kerf Range<\/th><th>Notes<\/th><\/tr><\/thead><tbody><tr style=\"border-bottom:1px solid #e5e5e5\"><td>0.5\u20131 mm<\/td><td>\u00b10.05 mm<\/td><td>0.08\u20130.12 mm<\/td><td>Risk of warping; needs proper fixturing<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>1\u20133 mm<\/td><td>\u00b10.05\u20130.10 mm<\/td><td>0.10\u20130.15 mm<\/td><td>Optimal range \u2014 best precision<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>3\u20136 mm<\/td><td>\u00b10.10\u20130.20 mm<\/td><td>0.15\u20130.20 mm<\/td><td>Standard industrial range<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>6\u201312 mm<\/td><td>\u00b10.20\u20130.30 mm<\/td><td>0.20\u20130.30 mm<\/td><td>Heat input increases; taper becomes visible<\/td><\/tr><tr style=\"border-bottom:1px solid #e5e5e5\"><td>12\u201320 mm<\/td><td>\u00b10.30\u20130.50 mm<\/td><td>0.30\u20130.45 mm<\/td><td>Edge taper can exceed 0.2 mm; consider plasma or waterjet<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Application:<\/strong> On your drawing, reference <strong>ISO 2768-mK<\/strong> for general tolerances and <strong>ISO 9013<\/strong> for thermal cut-specific tolerances. ISO 9013 is purpose-built for laser, plasma, and oxy-fuel cutting \u2014 it correlates tolerance classes directly with material thickness, so you don&#8217;t need to guess how tight you can go on a 12 mm plate.<\/p>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#f8f9fb;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px\"><strong>Best for:<\/strong> specifying tolerances that the process can actually hold \u2014 use ISO 9013 as your reference standard.<br><strong>Avoid when:<\/strong> you need \u00b10.02 mm across a 15 mm plate \u2014 that job belongs on a <a href=\"https:\/\/bravofabs.com\/cnc-machining-service\/\">CNC mill<\/a>, not a laser.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 6: Notches and Tabs \u2014 Keep Them Sturdy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Notches and tabs are the workhorses of <strong>sheet metal design<\/strong> \u2014 they locate parts during welding, create interlocking joints, and reduce hardware count. But they are also the features most likely to fail during handling if designed too thin.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Notch width:<\/strong> \u2265 1.5 \u00d7 material thickness. A 2 mm sheet needs notches at least 3 mm wide.<\/li>\n<li><strong>Notch length:<\/strong> up to 5 \u00d7 material thickness. Longer is fine \u2014 the width constraint is the critical one.<\/li>\n<li><strong>Tab width:<\/strong> \u2265 material thickness or 1 mm (whichever is greater). Thin tabs bend during handling and throw off weld alignment.<\/li>\n<li><strong>Notch corner radius:<\/strong> \u2265 0.5 \u00d7 material thickness. Sharp notch corners are stress risers and crack initiation points.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">When designing interlocking tab-and-slot assemblies, remember the kerf rule from above: the tab will come out slightly undersized and the slot slightly oversized if you draw both at nominal. A 0.1 mm offset in your DXF (wider tab, narrower slot) is the difference between a snug assembly and a rattling one.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rule 7: File Format \u2014 DXF, STEP, and What to Send<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>DXF file format<\/strong> (Drawing Exchange Format) is the universal language of 2D laser cutting. Your DXF should contain only the cut profile in 1:1 scale, with all geometry on a single layer. Do not include title blocks, dimensions, bend lines, or assembly annotations in the cut layer \u2014 these will be interpreted as cut paths and scrap your part.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your part has <strong>bends after laser cutting<\/strong>, send two files: a flat-pattern DXF for the laser programmer and a STEP or dimensioned PDF showing the formed geometry with bend angles, radii, and critical tolerances. The STEP file tells the brake press operator what the finished part should look like; the DXF tells the laser what to cut.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>File checklist for a complete RFQ package:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2705 Flat-pattern DXF (1:1, single layer, no dimensions, no title block)<\/li>\n<li>\u2705 STEP or 3D model of finished part (for quoting and forming reference)<\/li>\n<li>\u2705 Dimensioned PDF showing formed view with critical tolerances called out<\/li>\n<li>\u2705 Material specification: grade (e.g., S235JR, 1.4301, EN AW-5754), thickness, surface finish<\/li>\n<li>\u2705 Quantity and any special packaging or marking requirements<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Putting It All Together: A DFM Checklist for Laser Cutting<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before you send your next DXF to a <strong>laser cutting service<\/strong>, run through this seven-point checklist. Five minutes of DFM review saves days of rework and scrapped material.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Hole check:<\/strong> Every hole diameter \u2265 material thickness? Flagged any holes that need secondary drilling?<\/li>\n<li><strong>Kerf check:<\/strong> For press-fit assemblies, tab and slot dimensions include kerf offset? Prototype tested?<\/li>\n<li><strong>Clearance check:<\/strong> All holes, slots, and notches meet minimum distance to edges and bend lines per the table in Rule 3?<\/li>\n<li><strong>Corner check:<\/strong> Inside radii \u2265 0.5 mm? Sharp corners replaced with mouse-ear reliefs where functionally required?<\/li>\n<li><strong>Tolerance check:<\/strong> Specified tolerances appropriate for material thickness? ISO 9013 or ISO 2768-mK referenced on drawing?<\/li>\n<li><strong>Notch\/tab check:<\/strong> Notch width \u2265 1.5\u00d7 thickness? Tab width \u2265 1 mm or material thickness?<\/li>\n<li><strong>File check:<\/strong> DXF = 1:1 flat pattern, single clean layer, no dimensions in cut path? STEP and dimensioned PDF included?<\/li>\n<\/ol>\n\n\n\n<p class=\"has-background wp-block-paragraph\" style=\"background-color:#f8f9fb;padding-top:10px;padding-right:14px;padding-bottom:10px;padding-left:14px\"><strong>Real case:<\/strong> A German industrial equipment manufacturer sent us a 5 mm S235JR bracket DXF with 2 mm holes \u2014 less than half the material thickness. The laser burned through but the holes were 0.4 mm out of round and tapered 0.15 mm from entry to exit. We caught it at first-article inspection, re-drilled the holes on a CNC mill, and the customer now uses our DFM checklist before every release. One pre-production review saved a 500-piece batch from scrap.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Laser cutting DFM<\/strong> is not a long list of arbitrary constraints \u2014 it is the physics of a focused beam meeting metal, expressed as design rules. Respect the 1:1 hole-to-thickness ratio, keep features clear of bend zones, specify achievable tolerances for your material thickness, and send clean DXF files with a STEP reference. These seven rules cover the vast majority of laser cutting quality issues we see on incoming drawings. For parts that push any of these limits \u2014 ultra-thin sheets, press-fit assemblies, or thick plates near the process ceiling \u2014 a 5-minute engineering review before production is always cheaper than a rejected batch.<\/p>\n\n<div class=\"wp-block-group has-light-gray-background-color has-background is-layout-constrained wp-container-core-group-is-layout-e86b207e wp-block-group-is-layout-constrained\" style=\"border-color:#1e73be;border-width:2px;padding-top:20px;padding-right:24px;padding-bottom:20px;padding-left:24px\">\n\n\n<h3 class=\"wp-block-heading\">Need Laser-Cut Parts? Get a Quote with Free DFM Review<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">BravoFabs provides precision <strong>laser cutting services<\/strong> for sheet metal parts up to 3000 \u00d7 1500 mm, with fiber laser tolerances of \u00b10.05 mm on thin sheet. Our ISO-certified facility in Dongguan, China includes in-house bending, welding, and CNC machining so your parts ship complete \u2014 not as flat blanks. Every RFQ includes a free DFM review against the seven rules in this guide.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/bravofabs.com\/contact\/\" style=\"border-radius:6px\">Request a Laser Cutting Quote \u2192<\/a><\/div>\n\n<\/div>\n\n\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-cbfb3306 wp-block-group-is-layout-constrained\" style=\"border-left-color:#2563eb;border-left-width:4px;border-left-style:solid;background-color:#f0f4ff;margin-top:32px;margin-bottom:0;padding-top:12px;padding-bottom:12px;padding-left:20px;padding-right:24px\">\n\n\n<h4 class=\"wp-block-heading\" style=\"font-size:15px;font-style:normal;font-weight:700;line-height:1.4;margin-top:0;margin-bottom:8px\">\ud83d\udd17 Related Manufacturing Services &amp; Articles<\/h4>\n\n\n\n<ul class=\"wp-block-list\" style=\"font-size:14px;line-height:1.7;padding-left:18px\">\n<li><strong><a href=\"https:\/\/bravofabs.com\/sheet-metal-fabrication-services\/\">Sheet Metal Fabrication Services<\/a><\/strong> \u2014 custom enclosures, brackets, chassis, and welded assemblies<\/li>\n<li><strong><a href=\"https:\/\/bravofabs.com\/cnc-machining-service\/\">CNC Machining Service<\/a><\/strong> \u2014 precision milled &amp; turned parts with \u00b10.01 mm tolerances<\/li>\n<li><strong><a href=\"https:\/\/bravofabs.com\/laser-cutting-vs-plasma-vs-waterjet\/\">Laser Cutting vs Plasma vs Waterjet: Which Process for Your Parts?<\/a><\/strong> \u2014 head-to-head comparison of speed, cost, precision, and material range<\/li>\n<li><strong><a href=\"https:\/\/bravofabs.com\/sheet-metal-bending-design-guide\/\">Sheet Metal Bending Design Guide: Minimum Flanges, Bend Relief &amp; K-Factor<\/a><\/strong> \u2014 DFM rules for the forming step that follows laser cutting<\/li>\n<li><strong><a href=\"https:\/\/bravofabs.com\/technical-drawings-for-cnc-machining\/\">Technical Drawings for Manufacturing: GD&amp;T, ISO 2768 &amp; ASME Y14.5<\/a><\/strong> \u2014 how to dimension and tolerance your drawings for production<\/li>\n<\/ul>\n\n\n<\/div>\n<div class=\"rs-section\"><div class=\"rs-container\"><h2>Explore Related Manufacturing Services<\/h2><div class=\"rs-grid\"><div class=\"rs-card\"><a href=\"\/sheet-metal-fabrication-services\/\">Sheet Metal Fabrication<\/a><p>Laser cutting, bending, welding &amp; assembly. Prototype to production.<\/p><\/div><div class=\"rs-card\"><a href=\"\/cnc-machining-services\/\">CNC Machining Services<\/a><p>Precision CNC milling, turning &amp; 5-axis machining.<\/p><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Standard laser cutting tolerance is \u00b10.1 mm for sheet metal up to 6 mm thick \u2014 fiber lasers can hold \u00b10.05 mm on critical features. Minimum hole diameter \u2265 material thickness is the cardinal rule. Holes smaller than the sheet thickness burn rather than cut cleanly. Kerf width ranges from 0.1 to 0.3 [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Laser Cutting DFM: 7 Rules for Sheet Metal Parts | BravoFabs","_seopress_titles_desc":"Master 7 laser cutting DFM rules: hole sizing, kerf, clearances, corner radii, tolerances by thickness. ISO 9013 standard. Free DFM review.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"laser cutting design guide dfm","footnotes":""},"categories":[40],"tags":[],"class_list":["post-2982","post","type-post","status-publish","format-standard","category-knowledge-base"],"_links":{"self":[{"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/posts\/2982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/comments?post=2982"}],"version-history":[{"count":0,"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/posts\/2982\/revisions"}],"wp:attachment":[{"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/media?parent=2982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/categories?post=2982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bravofabs.com\/wp-json\/wp\/v2\/tags?post=2982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}