Design Specifications

4 articles

DFM guidelines so your drawings are ready for production.

Engineer-readyDownloadable refsZH / EN
4 articles
Design specificationsBeginner

CNC Minimum Feature Sizes

Practical limits for pocket width, hole depth, internal radii, and thin walls in machined parts.

CNCDFMTolerances
DFM Team2024-12-0311 min8,123445
  • Pocket width ≥ 1.5× tool dia
  • Align radii with standard tools
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Design specificationsIntermediate

Optimizing 3D Print Supports

Orientation, support density, and breakaway strategies to save material and improve surfaces.

3D printingSupportsDFM
Additive DFM2024-11-2610 min6,234356
  • Minimize overhangs via orientation
  • Tree supports on cosmetics
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Design specificationsBeginner

Injection Draft Angle Guide

How much draft to specify on ribs, bosses, and textured walls for reliable ejection.

Injection moldingDraftDFM
Mold DFM2024-11-199 min5,891321
  • Baseline 1° external draft
  • Increase draft with texture
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Design specificationsIntermediate

Thread Fit and Tolerance Design

Metric thread classes, hole prep, and when to add thread locking or inserts.

ThreadsTolerancesDFM
Mechanical DFM2024-11-1113 min7,012398
  • Default 6H/6g for general use
  • Inserts in plastic threads
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Manufacturing Guides for CNC, 3D Printing, Sheet Metal, and DFM | AgileMakeAI