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Post-processing 3D prints
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Post-processing 3D prints: the hidden cost most makers ignore

Post-processing 3D prints: the hidden cost most makers ignore

Sanding, painting, finishing, assembly. The post-processing time that doubles or triples per-part cost. When to charge for it and when to skip it.

Sanding and finishing a 3D printed part
Image: 3D print finishing
Post-processing time often exceeds print time. Most operators undercharge or skip the conversation entirely.

The post-processing time math

Finish levelTime per partPricing add
As-printed (no finishing)5 min support removal$0
Light sanding (smooth, not painted)15-30 min$15-30
Sanding + primer + light paint1-2 hours$45-120
Full finish (sand, prime, paint, clear coat)3-5 hours$150-400
Multi-color paint / detail painting4-12 hours$250-1,000+

The three finishing strategies

  1. Default to as-printed. Most customers don't expect finishing. Quote without finishing. Mention it as an option.
  2. Bundle light finishing into premium tiers. Standard tier = as-printed. Premium tier = sanded + clear coat.
  3. Always quote painting separately. Painting is its own skill and pricing line. Don't bundle it into print pricing.
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