Design guide hub
All DFM topics on one route.
Design guide hubDFM
Gate Location: Injection Molding Design Rules
Gate placement drives weld lines, cosmetics, and packing on the last fill region.
DFM
Place the gate where witness marks are acceptable
Rules NetProto DFM review checks against before steel is ordered.
Gates on cosmetic faces need cover or alternate gate style.
Fill from thick sections toward thin tips when possible.
CAD checklist
Send this with your upload
Missing DFM inputs delay qualified quotes.
Cosmetic face map
Preferred gate style if known
Ejector layout awareness
Related rules
Design guide
Jump to sibling rules before you freeze CAD.
DFM article
Long form engineer guide.
DFM articleWall thickness
Design rules for wall thickness.
Wall thicknessDraft angle
Design rules for draft angle.
Draft angleRib design
Design rules for rib design.
Rib designFAQ
Common questions
Who picks the gate?
Mold designer proposes; customer approves witness location on qualified programs.
Next step
Upload CAD for DFM-aware quoting
One hardened steel tool quote with piece price on the same upload.