{"product_id":"cone-1-x-1-with-top-groove","title":"Cone 1x1 with Top Groove - 4589b","description":"\u003cp\u003eThe LEGO® 4589b Cone 1 x 1 with Top Groove is a compact truncated cone piece — wider at the base and narrowing to a flat open top with a recessed circular groove. A standard stud connection sits at the base, and a horizontal groove ring runs around the lower section just above it. Part 4589b is available in multiple colour variants selectable above.\u003c\/p\u003e\n\u003ch2\u003e4589b Cone – Mould and Structure\u003c\/h2\u003e\n\u003cp\u003eThe cone tapers from a 1x1 base footprint to a narrower flat top with a hollow open stud receiver — the defining feature of the 4589b variant that distinguishes it from the solid-top 4589 version. The horizontal groove ring near the base adds a secondary detail line. The overall profile is a short, even taper with no overhang.\u003c\/p\u003e\n\u003ch2\u003eConnection Type and Build Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBase: standard stud — attaches to any standard LEGO® plate or brick connection\u003c\/li\u003e\n\u003cli\u003eTop: open hollow stud receiver — accepts bar or antenna elements\u003c\/li\u003e\n\u003cli\u003eHorizontal groove ring above base stud — visible detail line on finished builds\u003c\/li\u003e\n\u003cli\u003eFootprint: 1x1 — single stud base, no plate extension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse all cone parts in the \u003ca href=\"\/en-global\/collections\/parts-cone\"\u003eLEGO® Cone Parts collection\u003c\/a\u003e or explore related pieces in the \u003ca href=\"\/en-global\/collections\/1x1-lego-piece\"\u003e1x1 LEGO® Parts 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