Alpha International G3018S Granite Composite Single Bowl Undermount Cutout
Alpha International G3018S Granite Composite Single Bowl Undermount Cutout
Description
The Alpha International G3018S is a premium 30-inch granite composite single bowl undermount sink designed for modern kitchen installations. This production-ready DXF template provides fabricators with four essential cutting variants to accommodate different installation methods and reveal preferences. With overall dimensions of 30" x 18" and a generous 9.5" bowl depth, this sink offers exceptional capacity while fitting standard 33-inch base cabinets. The granite composite material combines natural stone aesthetics with superior durability and stain resistance.
Dimensions
- Overall Width
- 30"
- Overall Depth
- 18"
- Bowl Width
- 28"
- Bowl Depth
- 16"
- Corner Radius
- 0.3937"
Specifications
- Manufacturer
- Alpha International
- Model Number
- G3018S
- Installation Type
- Undermount
- Bowl Configuration
- Single
- Material
- Granite-Composite
- Min. Cabinet Width
- 33"
- Downloads
- 0
Related Templates
Alpha International AS1813 Stainless Steel Single Bowl Undermount Cutout
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Alpha International AS2114 Stainless Steel Single Bowl Undermount Cutout
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Alpha International G2418 Granite Composite Single Bowl Undermount Cutout
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Alpha International G3218S Granite Composite Single Bowl Undermount Cutout
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Answer summary
What is the Alpha International G3018S Granite Composite Single Bowl Undermount Cutout DXF template for?
Alpha International G3018S Granite Composite Single Bowl Undermount Cutout is a sink cutouts DXF template for countertop fabrication. Use it only after matching the manufacturer, model, dimensions, variant, and shop workflow to the actual job.
Risk check: Similar-looking products can use different cutout geometry. Confirm the official spec, shop tolerance, material behavior, and CNC output before production.
Next step: Run a DXF check, compare related templates, and keep the current manufacturer spec with the job packet.
Template decision guide
Should you use the Alpha International G3018S Granite Composite Single Bowl Undermount Cutout DXF template?
Use the template page to shortlist a production file, then verify the exact model, variant, and machine workflow before cutting.
Best fit
Alpha International G3018S Granite Composite Single Bowl Undermount Cutout is most useful when the product, manufacturer, model, install type, and variant match the job you are fabricating.
What to compare
Compare model number, dimensions, reveal or overhang, bowl or appliance geometry, material thickness, and CNC output requirements.
Risk check
Do not use a similar-looking template as a final production file. Small changes in flange, radius, trim, or reveal can cause a failed cutout.
Evidence to verify
Check the current manufacturer spec, field measurement, template preview, DXF layers, and a shop-approved tolerance before production.
Page-specific notes
Page-specific notes for Alpha International G3018S Granite Composite Single Bowl Undermount Cutout
These notes are assembled from this exact template record, its category, available variants, and nearby template comparisons. They are meant to make the page more useful than a generic download page.
Exact record SlabWise is using
Alpha International G3018S is filed under Sink Cutouts. The normalized record lists width 30", depth 18", bowl width 28", bowl depth 16", corner radius 0.3937", so the safest use is as a production starting point that still gets checked against the current job packet.
Variant choice
This page exposes 4 variants: No Reveal (Flush), 1/8" Reveal, 1/2" Overhang, Drop-in. Pick the variant that matches reveal, overhang, install style, and shop standard before exporting to CAM.
Category-specific production check
Sink Cutouts files should be checked for fit against material thickness, edge treatment, sink or appliance clearance, CNC layer expectations, and the shop's preferred tolerance before cutting customer material.
Closest comparisons
Before choosing this file, compare it with Alpha International AS1813 Stainless Steel Single Bowl Undermount Cutout, Alpha International AS2114 Stainless Steel Single Bowl Undermount Cutout, Alpha International G2418 Granite Composite Single Bowl Undermount Cutout to catch small model, radius, flange, or layout differences that can change the final cut.
Evidence already attached
This page has extra enrichment for installation overview, CNC cutting notes, material compatibility, buying context. Use those notes as decision support, then keep the official product spec with the job.
The Alpha International G3018S is a premium 30-inch granite composite single bowl undermount sink designed for modern kitchen installations. This production-ready DXF template provides fabricators with four essential cutting variants to accommodate different installation methods and reveal preferences. With overall dimensions of 30" x 18" and a generous 9.5" bowl depth, this sink offers exceptional capacity while fitting standard 33-inch base cabinets. The granite composite material combines natural stone aesthetics with superior durability and stain resistance.
Installation Overview
Professional installation of the G3018S requires careful template selection based on your desired reveal and mounting method. The no-reveal variant creates a flush edge where the bowl meets the countertop cutout exactly, providing maximum sink stability and support. The 1/8-inch reveal option is the most popular choice among fabricators, offering a small visible rim that helps protect the cut edge while maintaining a clean appearance. For installations requiring additional countertop support over the sink rim, the 1/2-inch overhang variant provides extra material coverage. The drop-in variant accommodates top-mount installations where the sink lip rests on the counter surface. Each variant has been precision-engineered to ensure proper fit and professional results. When cutting granite, quartz, or marble for this sink, always verify your material thickness and ensure adequate support for undermount clips. The 0.39-inch corner radius allows for smooth CNC toolpath generation without sharp transitions that could stress natural stone.
CNC Cutting Notes
CNC fabricators will appreciate the clean geometry of this template, with well-defined arcs and straight segments that minimize tool changes. When programming your CNC router, use a 3/8-inch or smaller diameter bit to navigate the corner radius accurately. Set your feed rate appropriately for the material—slower for natural granite and marble, faster for engineered quartz. The template includes four complete cutout profiles optimized for different installation scenarios. Always run a simulation before cutting expensive slabs, checking for proper tool clearance and verifying that the cutout dimensions match your specific installation requirements. Consider adding a small finishing pass for ultra-smooth edges on visible portions of the cutout.
Material Compatibility
This sink template works with all major countertop materials including granite, quartz, quartzite, marble, and solid surface. Granite composite sinks pair exceptionally well with natural stone countertops, as both materials share similar thermal expansion properties and durability characteristics. The sink's integrated color options complement a wide range of stone colors and patterns. When installing in quartz, the non-porous granite composite sink material creates a hygienic pairing resistant to bacteria and staining. For marble installations, the sink's chemical-resistant surface won't be damaged by acidic substances that might etch the stone. The undermount style maximizes usable counter space and creates seamless transitions for easy cleanup, making it ideal for busy kitchen environments.
Where to Buy
Alpha International sinks are available through kitchen and bath distributors, specialty plumbing showrooms, and fabricator supply networks. Check with your local stone supplier or visit sinks.org for Alpha International dealers. The G3018S typically retails between $350-500 depending on color and finish options. Many fabricators maintain relationships with Alpha distributors for competitive trade pricing on premium sink products.