02-20-2025 Q&A: Fixing 3D Cut Artifacts, Keyhole Bits, and Importing STL Files

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In this Q&A session, we tackled various topics, including resolving jagged edges on 3D carvings, using keyhole bits in Vectric's tool database, and working with STL files in SketchUp. We also discussed the best toolpath strategies for cutting detailed designs, efficient methods for creating layered projects, and an overview of the machine dropdown in Vectric version 12.

Key Tips Learned in this Q&A:

• Reducing Jagged Edges on 3D Carvings: Switching from an offset toolpath to a raster strategy improves the smoothness of the carving and reduces visible toolpath marks.
• Keyhole Bit Setup in Vectric: Keyhole bits can be added to the tool database by renaming a standard end mill and adjusting the tool settings.
• Importing STL Files into SketchUp: The free version of SketchUp 2017 does not support STL file imports. A paid version or third-party converter is required.
• Creating Layered CNC Projects: When making multi-layered designs, using a profile toolpath for the top layer can be more efficient than a pocket toolpath, depending on the bit width.
• Understanding the Machine Dropdown in Vectric 12: This feature helps users manage multiple machines by assigning specific post processors to different setups.

Questions Answered in this Q&A:

• 00:04:58 – Why does my 3D carving have jagged edges, and how can I fix it?
• 00:15:10 – Can I create a 3D model in Aspire and send it to someone using VCarve Pro?
• 00:18:06 – How do I remove a perimeter ridge around my 3D carve?
• 00:29:46 – How do I correctly mirror a hole pattern in VCarve/Aspire for a Murphy bed bracket, ensuring it's mirrored from the correct reference edge?
• 00:36:40 – How do I accurately create an offset for the top layer of a cross design in VCarve/Aspire, and what's the best toolpath strategy for cutting it, including options for integrating a Chi-Rho symbol?
• 00:45:17 – What’s the best way to create a layered CNC project with a raised center piece?
• 00:51:22 – How do I set up a keyhole bit in the tool database?
• 00:53:18 – How does the new machine dropdown work in Vectric version 12?
• 00:55:05 – How do I use roundover bits effectively on a CNC machine?

Keywords:

 cnc, vectric, aspire, vcarve, 3d toolpaths, keyhole bit, stl import, sketchup, machine dropdown, tool database, roundover bit, layered cnc projects, raster strategy, offset toolpaths