How Custom Grillz Are Made: Inside an In-House Craft ProcessAsk someone how are grillz made and most people shrug. They picture a machine stamping out shiny metal, or a middleman ordering generic pieces from overseas and marking them up. That is not how a real custom set gets built, and it is not how we build ours at Splash Grillz. Every piece we ship starts as an impression of your own teeth and ends as a finished, hand-finished set checked against your smile before it leaves the studio.Here is the honest, step-by-step look at what actually happens between your order and your unboxing. No mystery, no shortcuts - just the craft behind the shine.## Why Made In House Actually MattersA lot of grillz on the market are drop-shipped. One factory casts them, another sets stones, a third packs the box, and nobody along the way ever sees your actual teeth. That is why fit is hit or miss and why the finish feels mass-produced.When we say in house, we mean it. The same team that reads your impression casts the metal, sets the stones and polishes the final piece. That means every stage gets checked by a human who knows what a proper fit looks like - and if something is off, it gets caught and fixed before it ever reaches you. REAL MATERIALS. REAL CRAFT. is not a slogan to us. It is the order of operations.## Step 1: The Free Postal Mould Kit - Capturing Your Teeth at HomeCustom grillz live or die on the impression. A set that is even slightly off will rock, feel loose or put pressure where it should not. So we start by sending you a free postal mould kit to your door.The kit is built to be simple: you take the impression yourself at home, following the instructions, and post it back. No dentist appointment, no travel. Most people are surprised at how straightforward it is - the impression captures the exact shape, spacing and contour of your teeth so the finished set can be built to lock onto them properly. If your impression is not clean enough to work from, we will tell you rather than guess.## Step 2: From Impression to Working ModelOnce your kit arrives, your impression gets turned into a working model of your mouth. This model is the reference point for the entire build - every measurement downstream, from the width of a window cutout to the angle of a canine, comes from it.This is also where your design gets mapped onto your teeth. Whether you have chosen CrownLink Gem Windows with their crown-linked gemstone detailing, or a full 8 Set Solids running across the whole top row, the layout is planned against your actual dental shape, not a template.## Step 3: Casting the MetalWith the model ready, the metal gets cast. This is the stage that decides how the piece feels in your mouth - its weight, its thickness and how tightly it hugs each tooth. Good grillz are not just about how they look on camera; they should sit clean and comfortable enough to wear through a full day, talk through, and smile in.For window designs like our 8 Set Windows, the cutouts are made so your own teeth show through, which is a detail that has to be exact - a window that is slightly too small looks crowded, and one too large loses the effect. That precision comes from hand work against your model, not a one-size pattern.## Step 4: Hand-Setting the StonesThis is where the patience lives. Stones are set by hand, one at a time, so the piece catches light the way it should and stays put with real wear. Machine-set pieces skip this and it shows - uneven spacing, dull sparkle, and stones that give up early.Whether it is a diamond inlay on an NYC + Window Diamond Inlay, sapphire accents across an opal and cross design, or a single clean Opal Cap, each is placed and secured individually. It is slower. It is also the difference between a piece that photographs well for a week and one you still wear a year from now.## Step 5: Polishing, Fit Checks and Quality ControlA raw grillz piece looks nothing like the finished one. Polishing removes the marks and sharpness left from casting and setting, and it is where the smooth, clean surface comes from - the kind that sits against your lip without catching or scraping.Before anything ships, the set goes through a final fit check against your model. We look at how it seats, how it releases, whether the edges are safe against your gums and whether the finish is even across every tooth. Anything that fails goes back a step. Only then is it cleaned, packed and sent to you.## How Long Does It All Take?Because every set moves through each stage by hand, timing depends on the design - a single cap and a full stone-set row are very different builds. What stays consistent is the sequence: impression, model, cast, set, polish, check. Nothing gets skipped to save a day.## Real Materials, Real Fit, Real CraftA grillz is not a costume piece you replace every season. It sits in your mouth, it holds its shape against your teeth, and it should still look right months later. That is why the process is the product. There is no clever shortcut that gets you a set that fits comfortably and holds its finish - just good impressions, real metal, hand-set stones and a final check from someone who cares how it feels, not only how it looks.Now you know how grillz are made. If you are ready to start your own set, the first step costs you nothing: order your free mould kit, take your impression at home, and let our team build the rest by hand.