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You want to design a complex 3D model with minimal supports. Which combination of features best achieves this?

hard📝 Application Q8 of 15
3D Printing - Support Structures
You want to design a complex 3D model with minimal supports. Which combination of features best achieves this?
ASteep overhangs, thin bridges, and sharp corners
BFlat horizontal surfaces with no fillets or arches
CGradual slopes, fillets on edges, and arched bridges
DLong unsupported horizontal beams and thin walls
Step-by-Step Solution
Solution:
  1. Step 1: Identify features that reduce supports

    Gradual slopes, fillets, and arches help avoid supports.
  2. Step 2: Evaluate each option

    Gradual slopes, fillets on edges, and arched bridges combines these features effectively for minimal supports.
  3. Final Answer:

    Gradual slopes, fillets on edges, and arched bridges -> Option C
  4. Quick Check:

    Support-minimizing features = Gradual slopes, fillets on edges, and arched bridges [OK]
Quick Trick: Combine gentle angles and arches to minimize supports [OK]
Common Mistakes:
  • Choosing steep or unsupported features
  • Ignoring the benefit of fillets
  • Assuming flat surfaces always print well unsupported

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