Channel Access & Powder-Removal Planning Gauge
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Original DfAM gauge for discussing channel access, drainage and powder-removal risk before metal AM supplier review.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution
This original 120 × 50 × 4 mm educational gauge helps engineers discuss access, drainage, trapped-volume risk, and powder-removal planning before a metal additive manufacturing supplier review.
It includes six circular through-openings (2, 3, 4, 5, 6 and 8 mm) and four open slots (1.0, 1.5, 2.0 and 2.5 mm). The geometry is intentionally simple so a buyer, designer and supplier can point to the same features during an early DfAM review.
Important: this model is not a universal LPBF capability chart, a production qualification coupon, or an acceptance standard. Actual limits depend on material, machine, orientation, parameter set, post-processing, cleaning access and inspection route.
Suggested use:
• Visual review of access and drain paths
• Training discussions about trapped powder and blind volumes
• Comparison of intended openings before CAD release
• Printable classroom or supplier-review aid
For the complete copper LPBF RFQ input checklist—including internal channels, cleaning, inspection and acceptance requirements—see:
https://copper3dp.com/posts/EngineeringGuide/engineering-checklist-copper-3d-printed-part-quotation/
License: CC BY 4.0. Attribution: Copper3DP Engineering.