Applications of 3D Printing in Robotics

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Allen Yang  |  About 6 mins  |  Published: May 22, 2026
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Overview:

Refer colleagues by sharing your unique invite link. Send each referral “Free 3D Printing” in a coupon towards their first Unionfab order, and you’ll earn $10.00 per referral in credits for use on order(s), and 3% Cashback credits on your referee’s six months orders. 

Terms and Conditions

  • The amount of $10.00 in Unionfab credits will be granted to “referrers” (those who send a referral) for each eligible “referred user” or “referee” (users who receive the referral).
  • The referrer automatically earns credits only when a referred user creates an account successfully.
  • The referred user must be an eligible new user. A new user is defined as any individual who does not have a registered account with Unionfab and has not purchased custom parts from Unionfab. New users can be affiliated with a company already a customer of Unionfab.
  • 3% Cashback Credits cannot be earned on cancelled orders from referees.
  • Referral Credits are only redeemable at $50 per order (at Max.)
  • Referral Credits are ONLY redeemable on the order value (Printing Cost) of custom manufactured parts (quoted through a sales representative or by sending an email to hello@unionfab.com) or
  • Cashback credits are ONLY redeemable In Cash or Unlimited Order Value (use as you wish on printing cost).
  • Free 3D Printing is only redeemable at a printing cost of $20.00 (One Time). If your first order is over $20.00, you are allowed to redeem $20.00 off the total printing cost.
  • Credits or coupons are not valid towards taxes, shipping, or tariff.
  • Credits expire 18 months after issuance.
  • Coupons cannot be redeemed for cash.
  • Cash Back Credit can be redeemed for Cash; kindly note that 10% of the Total Amount shall be deducted for transfer and service fees.
  • An unlimited number of Referrers is allowed.
  • Abuse of the Referral Program may result in the nullification of all remaining credits. If you have questions or concerns, please hello@unionfab.com

Frequently Asked Questions

How do I earn credits?

  • Refer colleagues by sharing your Unique invite link. “Free 3D Printing” in a coupon towards their first Unionfab order, and you’ll earn $10.00 per referral in credits for use on order(s), and 3% Cashback credits on your referee’s six months orders. 

How do I redeem credits?

  • Credits are ONLY redeemable on the order value (Printing Cost) of custom manufactured parts quoted through a sales representative or by sending an email to hello@unionfab.com

What are my credits worth?

  • 1 credit equals $1. Credits can be redeemed for cash. (kindly note that 10% of the Total Amount shall be deducted for transfer and service fees.)

How do I redeem Free 3D Printing as Referee?

  • Free 3D Printing is only redeemable at a printing cost of $20.00 (One Time). If your first order is over $20.00, you are allowed to redeem $20.00 off the total printing cost.

Do credits expire?

  • Credits expire after 18 months from issuance.

Does Free 3D Printing expire?

  • Free 3D Printing expires after 1 month from issuance.

Can I use my credits in conjunction with a promotional code?

  • Credits cannot be used at the same time as other offers like coupon codes or special promotions.

How do I know how many credits I have?

  • You can see how many credits and credits history on your account page. 

Can Cash Back credits be used for Shipping or Taxes Fees?

  • No, Cashback Credits are only redeemable In Cash or Unlimited Order Value (use as you wish on printing cost)

I am receiving an error message when attempting to share my referral link.              

  • Try re-sharing emails by logging into your account. You can also email hello@unionfab.com and we’ll look into your account settings on our end. 

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Allen Yang

A seasoned engineer and the CEO of Unionfab, Allen has spent over 10 years bridging the gap between rapid prototyping and full-scale production.

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