C-47 Skytrain Paratrooper CNC Relief STL
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$6.39 here, $7.99 for the same file on Etsy
- 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 5.9 in (203 Γ 151 mm)
- Suggested depth
- 0.27 to 0.34 in (6.8 to 8.5 mm)set Z on its own when you import. Scaling all three axes together gives 0.50 in, deeper than you need.
- Board thickness
- 0.75 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 10 min (roughing 35 min, finishing 3 h 35 min)
- Carving size
- 12 Γ 8.9 in (305 Γ 226 mm)
- Suggested depth
- 0.40 to 0.50 in (10.2 to 12.8 mm)set Z on its own when you import. Scaling all three axes together gives 0.75 in, deeper than you need.
- Board thickness
- 1 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 30 min (roughing 30 min, finishing 4 h)
At the full 0.75 in depth, a standard 1/8 in ball nose (about 3/4 in of cutting length) cannot reach the bottom. Use the suggested depth, or a long-reach bit.
- Carving size
- 18 Γ 13.3 in (457 Γ 339 mm)
- Suggested depth
- 0.60 to 0.76 in (15.4 to 19.2 mm)set Z on its own when you import. Scaling all three axes together gives 1.1 in, deeper than you need.
- 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 10 h 40 min (roughing 1 h 40 min, finishing 9 h)
At the full 1.1 in depth, a standard 1/8 in ball nose (about 3/4 in of cutting length) cannot reach the bottom. Use the suggested depth, or a long-reach bit.
- Carving size
- 24 Γ 17.8 in (610 Γ 452 mm)
- Suggested depth
- 0.80 to 1 in (20.3 to 25.4 mm)set Z on its own when you import. Scaling all three axes together gives 1.5 in, deeper than you need.
- Board thickness
- 1.25 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 11 h 50 min (roughing 3 h 50 min, finishing 8 h)
At the full 1.5 in depth, a standard 1/8 in ball nose (about 3/4 in of cutting length) cannot reach the bottom. Use the suggested depth, or a long-reach bit.
- Carving size
- 29.5 Γ 21.9 in (750 Γ 555 mm)
- Suggested depth
- 0.80 to 1 in (20.3 to 25.4 mm)set Z on its own when you import. Scaling all three axes together gives 1.8 in, deeper than you need.
- Board thickness
- 1.25 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 17 h 55 min (roughing 5 h 45 min, finishing 12 h 10 min)
At the full 1.8 in depth, a standard 1/8 in ball nose (about 3/4 in of cutting length) cannot reach the bottom. Use the suggested depth, or a long-reach bit.
Estimates for a mid-size hobby machine (Shapeoko, X-Carve, Onefinity class). Board and time are for the suggested depth. In Aspire, VCarve or Carveco, unlock Z from X and Y when you import and type the depth; keep the base height at 0. 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
- 749.6 Γ 555.2 Γ 46.96 mm
- Shape
- landscape, 1.35:1
- Carve depth
- 6.3% of the width
- Mesh
- 2,026,166 triangles Β· 96.6 MB
- Base
- flat and sitting at zero, ready to machine
- Smallest size worth carving
- 200 mm Β· keeps 98.9% 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.
"Fantastic file! The detail is incredible, the toolpaths were clean, and it carved beautifully on my CNC with very little cleanup. The finished piece came out exactly as expected.β¦"
"I love the artwork! Can't wait to engrave it!"
About this design
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