Support
Quick Help
Shipping Policy
Learn about processing times, delivery estimates, shipping coverage, and order tracking.
View Shipping Policy →Refund & Returns
Read our return eligibility, refund process, and return instructions.
View Refund Policy →Terms of Service
Review the terms and conditions for using our website and purchasing our products.
View Terms of Service →Frequently Asked Questions
Find answers to common questions about our products, shipping, and printing.
View FAQ →Need help with your order?
Please include the following information when contacting us:
- Order Number
- Product Name
- A description of the issue
- Photos (if applicable)
Providing these details helps us resolve your request more quickly.
Business customers
Looking for wholesale purchasing, reseller opportunities, or larger quantity orders?
Contact our sales team:
Product support
Need help choosing the right filament?
We currently offer:
- PLA Filament
- PETG Filament
If you're unsure which material is best for your application, contact us and we'll be happy to help.
Shipping information
U.S. Warehouse Fulfillment
- Processing Time: 1–2 Business Days
- Delivery Time: 5–10 Business Days
- Free Shipping on Eligible U.S. Orders
Contact information
HONG KONG STARMAY TECHNOLOGY LIMITED
Customer Support:
Business Inquiries:
Contact Vertexfil
We'd love to hear from you.
Customer Support
Business Inquiries
Business Hours
Monday – Friday
9:00 AM – 6:00 PM (EST)
Response Time
We typically respond within 1 business day.