{"product_id":"x-large-3mm-baltic-birch-plywood-sheets-large-sheets-perfect-for-mira9-thunder-omtech","title":"X-Large 3mm Baltic Birch Plywood (20\" x 30\") - 12 Pieces","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the X-Large 3mm Baltic Birch plywood sheet from Laser Wood Supplies—a robust, two-sided veneer core panel built for serious makers who run big projects or high-volume batches. At 20\" x 30\" and 3mm thick, this sheet delivers the space you need without constant panel joins, making it ideal for large signs, display panels, and multi-piece designs on your Mira9\/Thunder\/OMTech setups.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this sheet stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLarge format for fewer seams\u003c\/strong\u003e: 20\" x 30\" sheets maximize yield on big projects, reducing the need to piece together smaller panels and speeding up production.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePremium Baltic Birch, double-sided\u003c\/strong\u003e: veneer-core construction on both faces provides a bright, tight-grain surface that accepts engraving, staining, painting, and finishing with clean edges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuality grade and consistency\u003c\/strong\u003e: B\/BB grade offers reliable density and clean surfaces, making it a dependable choice for precise laser cutting and CNC routing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlatness with real-world limits\u003c\/strong\u003e: boards are cut by hand to the listed size, with only very slight variations. While the bigger the piece, the more warp you may encounter with 1\/8\" Baltic Birch—that’s a natural trait, not a defect—and we select the flattest boards we can for you.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReady for dual-sided work\u003c\/strong\u003e: the two-sided veneer core makes it a versatile base for projects needing finishes or engravings on both sides without compromising surface quality.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProven compatibility with popular lasers\u003c\/strong\u003e: widely used with Glowforge Hobby lasers, as well as Mira9\/Thunder\/OMTech and other common laser and CNC machines. Our starting settings align with proof-grade practices to help you dial in quickly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eStarting laser settings and practical notes\u003c\/strong\u003e: Treat Baltic Birch as a solid baseline akin to Med Basswood ply. For Mira9 (90W) users, begin at approximately 45 mm\/s with about 70% power and Auto Focus enabled, then fine-tune to your specific machine, enclosure, and material batch. These guidelines are a reliable starting point; every machine and room conditions can shift optimal results.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal projects and use cases\u003c\/strong\u003e: Use these sheets for large signage, wall art panels, backdrops, stage props, and retail displays. The sturdy yet lightweight 3mm thickness is great for mounting, framing, or creating clean-cut panels that carve, engrave, or etch with crisp detail. If you’re upgrading from smaller stock, the 20x30 format helps you plan bigger designs with fewer joins and faster setup.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUsage tips for best results\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePlan for slight warping in the largest pieces; consider splitting very large designs into sub-panels if absolute flatness is critical.\u003c\/li\u003e \u003cli\u003eFinish with a compatible sealant or paint to enhance durability and surface resilience for high-traffic displays.\u003c\/li\u003e \u003cli\u003eSand lightly after cutting to achieve a perfectly smooth edge before finishing.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eShipping and availability\u003c\/strong\u003e: This item ships to the Continental United States only (no PO boxes) via UPS Ground. It also includes free shipping to eligible addresses, making it convenient for both hobbyists and small production runs.\u003c\/p\u003e \u003cp\u003eFrom the trusted Laser Wood Supplies team to your workshop, these X-Large Baltic Birch sheets are designed to deliver consistent results and reliable performance—backed by our year-plus track record of serving makers who demand quality and predictability for their laser, CNC, and crafting workflows.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Laser Wood Supplies","offers":[{"title":"12 PIECE","offer_id":45222909313103,"sku":"sku-43786110533871","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0675\/2406\/7407\/files\/IMG_E6314.jpg?v=1778643291","url":"https:\/\/hobbytechsupply.com\/products\/x-large-3mm-baltic-birch-plywood-sheets-large-sheets-perfect-for-mira9-thunder-omtech","provider":"Hobby Tech Supply","version":"1.0","type":"link"}