Instant digital download · Commercial use included · 4.8★ from 776 reviews
Carved wood bas-relief of a biker skull wearing a paisley bandana with handlebars and a small skull between the eyes
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Gothic & Skull Art

Biker Skull with Bandana and Handlebar Brow Bas-Relief STL

$6.39 $7.10 10% off

$6.39 here, $7.99 for the same file on Etsy · 9 sold this year · 35 people favourited it

Excellent STL file for CNC carving. The model is very clean with great detail and smooth geometry. It machined perfectly and required no corrections. Highly recommended seller!
Verified buyer all 4 reviews
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  • 📦 Instant digital download (STL file)
  • 🛠️ Tested in Aspire, VCarve Pro, Carveco, ArtCAM, Fusion 360
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  • ✅ Personal & commercial-use licence: sell what you carve
📐 Design facts
Carving it at your size
Carving size
6.5 × 8 in (166 × 203 mm)
Relief depth
0.73 in (18.5 mm)
Board thickness
1 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 5 h 20 min (roughing 1 h 20 min, finishing 3 h 55 min)
Carving size
9.8 × 12 in (249 × 305 mm)
Relief depth
1.1 in (27.7 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 5 h 35 min (roughing 1 h 10 min, finishing 4 h 25 min)
Carving size
14.7 × 18 in (373 × 457 mm)
Relief depth
1.6 in (41.6 mm)
Board thickness
2 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 13 h 50 min (roughing 3 h 55 min, finishing 9 h 55 min)
Carving size
19.6 × 24 in (498 × 610 mm)
Relief depth
2.2 in (55.4 mm)
Board thickness
2.5 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 18 h 5 min (roughing 9 h 10 min, finishing 8 h 50 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
397.5 × 486.75 × 44.24 mm
Shape
portrait, 0.817:1
Carve depth
11.1% of the width
Mesh
2,028,294 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
"Cool little piece!! I made it out of walnut and it turned out really nice! I need to figure out how to highlight the straps and such like the picture!"
— Verified buyer
"great file I will be purchasing more"
— Verified buyer

About this design

A grinning skull stares out from a paisley bandana, its brow shaped from chromed handlebars gripped by bony hands, and a tiny second skull tucked between the eye sockets. It is mean, it is loud, and once it is cut into oak it looks like something straight off a chopper tank. This is the kind of piece that stops people in a garage and makes them lean in close. What you get is a high-detail bas-relief STL built for clean machining. The depth is real, with deep eye sockets, sharp teeth, and the fine paisley stitching reading crisp against the smooth bandana folds. It is tested and ready for Aspire, VCarve Pro, Carveco, and ArtCAM, and it runs well on a CNC router or a 3D printer. For the best result, rough it out with a 6mm end mill at a 40 percent stepover, then bring out the detail with a 3mm ball nose finishing pass at 10 percent stepover. Run it in hardwood like oak or walnut and the grain plays right into the bone and chrome. Turn it into wall art, a man-cave plaque, a motorcycle shop sign, or a one-off gift for the rider in your life. This is an instant digital download, so the file lands in your hands and you can be cutting chips today. Commercial use is included, which means you are free to carve it, sell the finished pieces at shows and in your shop, or gift them to the bikers who will actually appreciate the work. Grab it, load your toolpaths, and let the spindle do the talking.
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Burn this design, or burn onto it

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.

Windows desktop app · $40 once · free updates · it prepares the files, your laser software burns them

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Customer reviews & carves

★ 5.0 · 4 reviews

hate reviews i must say

— Verified buyer, verified carver

Excellent STL file for CNC carving. The model is very clean with great detail and smooth geometry. It machined perfectly and required no corrections. Highly recommended seller!

— Verified buyer, verified carver

good file, excellent quality, tops

— Verified buyer, verified carver

Turned out to be a pretty cool print!

— Verified buyer, verified carver
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$6.39