{"product_id":"threaded-insert-grid-board-parametric","title":"Threaded Insert Grid Board (Parametric)","description":"\u003ch2\u003eThreaded Insert Grid Board (Parametric)\u003c\/h2\u003e\u003cp\u003eA customizable OpenSCAD baseboard for prototyping and fixtures. It generates a flat, rounded-rectangle plate with a \u003cstrong\u003ecentered grid of through-holes\u003c\/strong\u003e sized for \u003cstrong\u003eheat-set threaded inserts\u003c\/strong\u003e (any size you choose), plus \u003cstrong\u003eoptional corner mounting holes\u003c\/strong\u003e to fasten the board to a desk, plate, or frame.\u003c\/p\u003e\u003ch2\u003eHighlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentered grid:\u003c\/strong\u003e spacing-only logic auto-fits the largest, perfectly centered grid within your margins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert-ready holes:\u003c\/strong\u003e straight through-holes with a tiny top chamfer to help start heat-set inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional corner mounts:\u003c\/strong\u003e enable\/disable; counterbored or plain through-holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner keep-out:\u003c\/strong\u003e skip grid holes near corners to avoid clashes with corner mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaker-friendly params:\u003c\/strong\u003e short, unit-clear controls; clean booleans; robust booleans (no “thin skins”).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDefault configuration\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBoard: \u003cstrong\u003e170 × 170 × 8 mm\u003c\/strong\u003e, corner radius \u003cstrong\u003e3 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eGrid: \u003cstrong\u003e20 mm\u003c\/strong\u003e pitch, \u003cstrong\u003e10 mm\u003c\/strong\u003e edge margin\u003c\/li\u003e\n\u003cli\u003eInsert pilot: \u003cstrong\u003e4.1 mm\u003c\/strong\u003e (good starting point for many M3 inserts—adjust for your insert\/system)\u003c\/li\u003e\n\u003cli\u003eCorner mounts: \u003cstrong\u003eon\u003c\/strong\u003e, offset \u003cstrong\u003e10 mm\u003c\/strong\u003e, counterbore \u003cstrong\u003e10 mm × 3 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey parameters (customize via “Customize”)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ewidth \/ height \/ thick\u003c\/strong\u003e – overall size (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecorner_r\u003c\/strong\u003e – corner fillet radius (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emargin\u003c\/strong\u003e – solid border from edges to grid area (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epitch\u003c\/strong\u003e – grid spacing in X\/Y (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ekeepout\u003c\/strong\u003e – omit grid holes within this many mm of each corner (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003einsert_d\u003c\/strong\u003e – pilot diameter for your heat-set insert (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003echamfer_on, chamfer_h, chamfer_extra\u003c\/strong\u003e – small lead-in on top face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emounts_on\u003c\/strong\u003e – enable\/disable corner mounting holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003emount_off\u003c\/strong\u003e – distance from each edge to corner mount center (mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ecb_on, cb_d, cb_h\u003c\/strong\u003e – counterbore options for corner mounts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePrinting \u0026amp; assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PLA, PETG, or ABS\/ASA (PETG\/ABS recommended for inserts).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLayer height:\u003c\/strong\u003e 0.2 mm (or finer for clean holes).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerimeters:\u003c\/strong\u003e 4–5 walls for fastener strength; \u003cstrong\u003einfill:\u003c\/strong\u003e 20–40% gyroid\/cross-hatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo supports\u003c\/strong\u003e needed. Flat bottom for easy adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert fit:\u003c\/strong\u003e start with pilot ≈ insert spec + printer tolerance. If inserts are too tight, ream slightly or raise \u003cstrong\u003einsert_d\u003c\/strong\u003e by 0.1–0.2 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaise bed temp\u003c\/strong\u003e slightly (≈ +5 °C) to improve adhesion and reduce risk of warp\/lifting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-set tips:\u003c\/strong\u003e press inserts with a soldering iron using steady pressure; avoid over-melting. The top chamfer helps centering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNotes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWorks for \u003cstrong\u003eM2–M6 heat-set inserts\u003c\/strong\u003e (adjust \u003cstrong\u003einsert_d\u003c\/strong\u003e and grid \u003cstrong\u003epitch\u003c\/strong\u003e to suit hardware).\u003c\/li\u003e\n\u003cli\u003eCorner mounts check recess clearance against the corner radius to prevent edge break-through.\u003c\/li\u003e\n\u003cli\u003eIf you disable corner mounts, the corner keep-out is ignored so you get a full grid.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFeel free to remix dimensions, pitch, or margins to match your fixtures and fasteners.\u003c\/p\u003e\u003cp\u003eDesign by roark on MakerWorld (license: BY).\u003c\/p\u003e","brand":"Mymadmanlab","offers":[{"title":"Default Title","offer_id":67394671640880,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/0809\/5280\/files\/0_d9132458-eda2-4088-aaba-f62a4d94d772.png?v=1784823801","url":"https:\/\/mymadmanlab.com\/products\/threaded-insert-grid-board-parametric","provider":"Mymadmanlab.com","version":"1.0","type":"link"}