Surface finish hub
Category overview and RFQ checklist.
Surface finish hubSurface finish
VDI 3400 Texture Grades: Specification and Cost
VDI numbers describe etch depth. Treat them like any other mold texture requirement on the quote.
Surface finish
Translate VDI grades into mold build scope
European prints often lead with VDI while US teams use SPI or MoldTech.
Higher VDI numbers mean coarser texture and usually more draft.
When VDI appears on only one face, note parting line texture shutoffs explicitly.
Quote checklist
What to send with CAD
Finish specs stall quotes when they live only in email threads.
VDI grade per face
Reference plaque if available
Draft review after texture
Keep exploring
Related finish guides
Open siblings on the same hub path before you lock mold texture on the quote.
Color options
Appearance and resin color control.
Color optionsSPI finish chart
A1 through D3 on one page.
SPI finish chartMolding textures
MoldTech and VDI selection.
Molding texturesTexture selection
Pick a spec before steel is cut.
Texture selectionFAQ
Common questions
How does VDI relate to SPI?
They solve the same problem with different scales. Pick a primary standard on the RFQ.
Next step
Ready to attach a finish target to your upload?
NetProto quotes one hardened steel tool with piece price. Finish level still drives DFM and mold texture scope.