Sleeping Mermaid Conch Shell CNC Relief STL
- π¦ Instant digital download (STL file)
- π οΈ Tested in Aspire, VCarve Pro, Carveco, ArtCAM, Fusion 360
- βΎ Unlimited re-downloads
- β Personal & commercial-use licence: sell what you carve
- Carving size
- 8 Γ 5.8 in (203 Γ 147 mm)
- Relief depth
- 0.55 in (13.9 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 4 h 25 min (roughing 55 min, finishing 3 h 30 min)
- Carving size
- 12 Γ 8.7 in (305 Γ 220 mm)
- Relief depth
- 0.82 in (20.9 mm)
- Board thickness
- 1.25 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 4 h 40 min (roughing 45 min, finishing 3 h 55 min)
- Carving size
- 18 Γ 13 in (457 Γ 331 mm)
- Relief depth
- 1.2 in (31.3 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 11 h 25 min (roughing 2 h 35 min, finishing 8 h 50 min)
- Carving size
- 24 Γ 17.4 in (610 Γ 441 mm)
- Relief depth
- 1.6 in (41.7 mm)
- Board thickness
- 2 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 14 h (roughing 6 h 10 min, finishing 7 h 50 min)
- Carving size
- 28.7 Γ 20.8 in (729 Γ 527 mm)
- Relief depth
- 2 in (49.9 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 21 h 40 min (roughing 10 h 30 min, finishing 11 h 15 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
- 728.8 Γ 527.2 Γ 49.91 mm
- Shape
- landscape, 1.382:1
- Carve depth
- 6.8% of the width
- Mesh
- 2,025,118 triangles Β· 96.6 MB
- Base
- flat and sitting at zero, ready to machine
- Smallest size worth carving
- 200 mm Β· keeps 99.2% of the fine detail simulated with a 3 mm ball nose
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.
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About this design
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