Instant digital download · Commercial use included · 4.8★ from 776 reviews
Carved wood bas-relief of two flaming skulls above a detailed V8 engine with timing chain and V8 badge
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Gothic & Skull Art

Twin Skull V8 Engine Bas-Relief with Flaming Exhaust STL

$9.59 $10.66 10% off

$9.59 here, $11.99 for the same file on Etsy · 3 sold this year

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  • 📦 Instant digital download (STL file)
  • 🛠️ Tested in Aspire, VCarve Pro, Carveco, ArtCAM, Fusion 360
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📐 Design facts
Carving it at your size
Carving size
8 × 8 in (203 × 202 mm)
Relief depth
0.81 in (20.5 mm)
Board thickness
1.25 in or thicker
Rough with
1/8 in end mill, 40% stepover
Finish with
1/16 in tapered ball nose, 10% stepover
Estimated carve time
about 6 h 40 min (roughing 1 h 50 min, finishing 4 h 45 min)
Carving size
12 × 11.9 in (305 × 303 mm)
Relief depth
1.2 in (30.8 mm)
Board thickness
1.5 in or thicker
Rough with
1/4 in end mill, 40% stepover
Finish with
1/8 in ball nose, 10% stepover
Estimated carve time
about 6 h 55 min (roughing 1 h 35 min, finishing 5 h 25 min)
Carving size
18 × 17.9 in (457 × 455 mm)
Relief depth
1.8 in (46.2 mm)
Board thickness
2.5 in or thicker
Rough with
1/4 in end mill, 40% stepover
Finish with
1/8 in ball nose, 10% stepover
Estimated carve time
about 17 h 20 min (roughing 5 h 15 min, finishing 12 h 5 min)
Carving size
24 × 23.9 in (610 × 606 mm)
Relief depth
2.4 in (61.6 mm)
Board thickness
3 in or thicker
Rough with
1/4 in end mill, 40% stepover
Finish with
1/4 in ball nose (1/8 in for the finest detail, about twice as long), 10% stepover
Estimated carve time
about 23 h 15 min (roughing 12 h 25 min, finishing 10 h 45 min)
Carving size
26.9 × 26.7 in (683 × 679 mm)
Relief depth
2.7 in (69 mm)
Board thickness
3 in or thicker
Rough with
1/4 in end mill, 40% stepover
Finish with
1/4 in ball nose (1/8 in for the finest detail, about twice as long), 10% stepover
Estimated carve time
about 31 h 5 min (roughing 17 h 30 min, finishing 13 h 30 min)

Estimates for a mid-size hobby machine (Shapeoko, X-Carve, Onefinity class). Scaling all three axes together keeps the depth in proportion; for thinner stock scale Z on its own. Hardwoods with fine grain (cherry, hard maple, walnut, basswood) hold this detail best. Check your exact setup in Will it cut, free, nothing uploaded.

How we estimate carve time

Finishing is one raster pass over the whole carving with the ball nose shown, at 10% stepover and half of a 1,800 mm/min (71 in/min) feed. Roughing assumes about 45% of the block above the base is waste, cleared with the end mill shown at 40% stepover and 3 mm per pass (1.5 mm for the 1/8 in end mill) at the full feed. The model leaves out acceleration, tool changes and moves between passes, so a real job usually takes somewhat longer. Times are rounded to 5 minutes.

File format
STL only decimated high-quality mesh, binary STL
Model size as supplied
683.2 × 679.2 × 69.03 mm
Shape
landscape, 1.006:1
Carve depth
10.1% of the width
Mesh
2,027,246 triangles · 96.7 MB
Base
flat and sitting at zero, ready to machine

Opens directly in Aspire, VCarve Pro, Carveco, ArtCAM and Fusion 360, and in any slicer for 3D printing. For a laser, the relief is first turned into a greyscale depth image, which our Laser Studio app does from this STL. STL only, no OBJ or DXF: the DXF files used in CNC work hold 2D outlines, not the 3D relief surface. Scale it to whatever panel you are cutting. Scaling all three axes together keeps the depth in proportion; scale Z on its own for a shallower carve. How to open it in your software.

759 five-star reviews from carvers
"Very detailed file. Carved up very nice."
— Verified buyer
"great file and cut easily. looks good on Ash wood."
— Verified buyer

About this design

Two screaming skulls ride the pistons while exhaust flames twist up like smoke off a burnout. Below them sits a full V8 block, timing chain, pulleys, and a proud V8 badge carved right into the cover. This is loud, mean garage art, and when it comes off the spoilboard in oak or walnut it looks like something that belongs over a workbench or behind a bar. What you get is a high-detail bas-relief STL with real depth built into it. The skulls, the swirling flames, the engine vee, the chain links, and the gear teeth all sit on separate planes, so you get deep shadow pockets and crisp edges instead of a flat blur. The file is sculpted and ready to drop into Aspire, VCarve Pro, Carveco, ArtCAM, or Fusion 360, then send to your CNC router for toolpaths. For a clean result, hog out the waste first with a 6mm end mill running around 40 percent stepover, then come back and finish with a 3mm ball nose pulled in to roughly 10 percent stepover to pick up the teeth, the rivet detail, and the wood grain texture. Adjust your depth of cut to suit your machine and stock. Great for hot rod wall art, mechanic shop signs, biker man cave panels, and gifts for the gearhead who has everything. This is an instant digital download, and commercial use is included, so carve it for yourself, sell the finished panels at shows, or build a custom piece for a friend's garage. Add it to your cart, fire up the spindle, and let it scream.
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Laser Studio opens this STL with zero conversion and turns them into a ready-to-burn 3D-illusion engrave. Carving on your CNC instead? CNC Match lines up a name, a date or shading on a photo of the finished piece, so the laser burns right onto the carving.

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Customer reviews & carves

★ 5.0 · 1 review

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— Verified buyer, verified carver
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$9.59