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Customer service

Frequently asked questions

Shipping, returns, accounts, compatibility and materials.

Who is Guardian 3D Supply?

We supply 3D printers, scanners, filament, resin, metal printing materials and production hardware to makers, schools, labs, dental practices and manufacturers. We are part of the Guardian family of companies, and every order is backed by Guardian Guaranteed.

Why does checkout show a Guardian company name?

Orders are processed through the Guardian family's shared, secure Shopify checkout. Your order, receipt and support all come from Guardian.

How much is shipping?

Shipping is calculated by weight, size and destination and shown at checkout before you pay.

Why did my order arrive in more than one box?

Many products ship directly from the manufacturer's U.S. warehouse, so an order with items from several manufacturers can arrive in separate shipments. Each one has its own tracking number.

When will my order ship?

Ship times vary by product and manufacturer. Tracking is emailed as soon as each item ships. If you need something by a specific date, call (888) 893-9090 before ordering and we will confirm availability for that exact item.

Do you ship outside the United States?

We currently ship to U.S. addresses. Call us before ordering if you need international delivery and we will tell you what is possible.

Can I pay with a purchase order or get Net 30 terms?

Yes. Approved business, education and government accounts can order on purchase orders with Net 30 terms. Apply on our Business accounts page.

Can I buy tax-exempt?

Yes. Send your exemption certificate with a business account application and we will set up tax-exempt ordering.

Will this build plate fit my printer?

Each plate lists the printers and build size the manufacturer designed it for. Use the Compatibility finder to see everything listed for your printer, or call us and we will confirm the fit.

What filament diameter do you carry?

Our filament is 1.75 mm, the standard for nearly all current desktop FDM printers, including Bambu Lab, Prusa, Creality and Sovol machines.

Do I need a kiln for metal filament?

Yes. Metal and ceramic filaments print on a standard FDM printer, then a sintering kiln burns out the binder and fuses the metal powder into a solid part. See our guide to metal FDM printing.

What does open box mean?

Open box items were opened or returned but are complete and functional. Each listing describes its condition and they carry the manufacturer's warranty terms stated on the listing.

What is your return policy?

You have 30 days from delivery to return new, unused items in original packaging. Opened resin, chemicals, filament and used protective equipment can only be returned if damaged or defective.

Can you find a product that is not on the site?

Often, yes. Send a quote request with the product, quantity and your printer models and our sourcing desk will look into it.

Guardian GuaranteedEvery order is backed by the Guardian guarantee.
Secure checkoutEncrypted Shopify checkout with major cards, Shop Pay and more.
Ships across the U.S.Shipping is calculated by weight and destination at checkout.
Real specialistsCall (888) 893-9090 for compatibility and sourcing help.