What Files to Send + Tolerance Checklist

Better files and tolerance notes mean faster quoting and fewer revision loops. If you send the right data at intake, turnaround improves immediately.

Preferred file types

• Ready print: STL, 3MF
• Editable CAD: STEP/STP
• Reference support: PDF, JPG, PNG, WEBP

Tolerance checklist

• Mark critical dimensions and units
• State target fit (press-fit, slip-fit, snap-fit)
• Call out acceptable variance
• Identify cosmetic-only surfaces
• Describe expected load and direction

Most common submission gaps

• No unit scale provided
• No mating-part references
• No environment notes

Our forms now support file uploads for both contact and product requests.