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How the machine actually behaves, written from what goes wrong rather than from the feature list.

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Technique6 min readUpdated

Etching with a Cricut, two jobs that share one word

No Cricut etches anything by itself. Two different processes get called etching: cutting a vinyl stencil and letting acid cream frost the glass underneath it, and scratching a line into metal or acrylic with an engraving tip. The first works on every machine and is what most people mean; the second needs a Maker. They need different files, so decide which one you are doing before you design.

Step by step

  1. 1

    Design at the finished size

    Build the design at the size it will sit on the blank, in inches. A 2.5″ monogram on a 16 oz glass is measured on the glass first, not guessed on screen.

  2. 2

    Thicken anything thin

    Etching cream eats a fixed amount of glass regardless of how fine the line is, so hairlines disappear into a smudge. Apply an outward offset until no stroke is narrower than about 0.08″, and drop fill patterns finer than that entirely.

  3. 3

    Cut the stencil in adhesive vinyl

    Removable adhesive vinyl, cut at your normal vinyl setting. Not iron-on, which has a carrier sheet, and not stencil film unless it is the adhesive kind, cream creeps under anything that is not stuck down.

  4. 4

    Reverse weed it

    This is the step that catches people. Weed out the design itself and keep the surrounding sheet, the opposite of a normal vinyl weed. The holes you pull out are the parts that will be frosted; the vinyl that stays is the mask. Keep the letter centres, they are mask too.

  5. 5

    Apply and burnish hard

    Transfer the stencil onto clean, dry, grease-free glass and press every edge down with a scraper, especially around the inside of letters. Every cream bleed is a burnish that was not done.

  6. 6

    Lay the cream on thick

    A thin, even coat does not work: use a generous layer with a brush or spatula so no glass shows through it, then leave it for the time on the bottle, typically five to ten minutes. Longer does not make it darker, it just makes it more likely to creep.

  7. 7

    Rinse, peel, wash

    Rinse the cream off under running water with the stencil still on, then peel the vinyl and wash the glass properly. The etch is permanent, dishwasher-safe and cannot be undone, which is the entire point of doing it instead of vinyl.

The engraving route, and which machines can do it

The QuickSwap engraving tip scratches a line into a surface rather than frosting it with acid, and it fits the Maker and Maker 3 only. Explore machines and the Joy have no adaptive tool housing, so they cannot take it, whatever a Pinterest pin claims. Fine on anodised aluminium, soft metals, acrylic and leather; it will not engrave glass, and trying skates the tip across the surface.

An engraved design is a drawn path, not a filled shape, which changes how you build the file: the tip follows the outline of what you give it, so a solid filled letter engraves as its outline only. For a filled look, hatch it — a set of closely spaced parallel lines inside the shape, assigned to the engrave operation.

Mirror only when you are etching the far side

Etching the outside of a glass, which is the normal case, needs no mirroring at all. Mirror only if you are putting the stencil on the inside of a window or the back face of a clear blank so the design reads correctly through the glass.

This is the opposite default to iron-on, where mirroring is always required, and mixing the two up is how a name ends up backwards on a wedding gift.

What will not etch

Borosilicate glass — most Pyrex, a lot of lab-style glassware and many double-walled tumblers — barely reacts to etching cream. So does anything with a coating, which covers most powder-coated and painted tumblers. Test on the base before committing to a set of twelve.

Etching cream contains ammonium bifluoride. It is not a craft paste: wear nitrile gloves and eye protection, work with ventilation, keep it off skin, and follow the bottle for disposal. This is the one material in crafting where the label is worth reading in full.

Preparing the file here

Stencil work is mostly offset work, and the studio does both directions: an outward offset to fatten strokes until they survive the cream, and a contour offset to add a cut-out frame around the design so you have a margin of vinyl to burnish against.

Assign the design to the cut operation and export SVG for Design Space, or export DXF if you are stencilling from Silhouette Studio Basic. For an engraved piece, put the hatch lines on their own layer with the engrave operation so they arrive as a separate, correctly-mapped tool rather than merged into the cut.

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Questions

Not directly. The machine cuts a vinyl stencil; etching cream does the etching. Every Cricut model can cut the stencil, including the Joy, within its narrower cut width.

No, not for the usual case of etching the outside surface. Mirror only when the stencil goes on the far side of the glass and the design has to read through it.

Removable adhesive vinyl. It sticks well enough to stop cream creeping and comes off glass cleanly afterwards. Iron-on does not work: it is cut through a carrier and has no adhesive until it is pressed.

Almost always too little cream, or a coat spread too thin to keep the glass wet for the full dwell. A blurred edge instead of a patch is the other fault: that is cream that crept under an unburnished edge.

No. The engraving tip needs the adaptive tool system, which is a Maker feature. Explore and Joy machines can still cut stencils for cream etching.

Yes. The etch is the glass surface itself rather than something applied to it, which is why it is worth the extra steps over a vinyl decal on anything that gets washed.

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